ASF, Picorna, Calci, Orthohepe Flashcards by Henriette Wisnes

Several virulence variants of African Swine Fever Virus exist

True

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African swine fever is shed in the saliva of the infected animals

True

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ASF virus is shed in the urine of the infected animals

False

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Stamping out of the infected herds is applied in the control of African Swine Fever

True

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The leading clinical sign in African swine fever is excess salivation

False

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In acute African swine fever the leading pathological findings are the haemorrhages T

True

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The African swine fever infects the swine per os

True

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The African swine fever virus genome codes only 2 proteins

False

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The African swine fever virus infects the swine by air

False

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In African swine fever cases of abortion are never observed

False

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The primary replication site of African swine fever virus is the oronasal mucosa

False

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The primary replication sites of African swine fever virus are the tonsils and lymph nodes

True

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In acute ASF cases the leading pathological finding is the black and enlarged lymph nodes T

True

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In case of African swine fever enlarged spleen is observed during necropsy

True

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The ASF virus replicates the bone marrow

True

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The tick species vectoring African swine fever are present in Portugal and Spain

True

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The ASF virus is serologically uniform but several genotypes exist

True

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In acute ASF we can observe high mortality in sows

True

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Vaccines are available in EU to be used in the control of African swine fever

False

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Vaccines are available to be used in the control of ASF

False

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The immune system cannot neutralize the ASF virus by antibodies

True

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The African swine fever virus can be disinfected by 2%NaOh within 1 day

True

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In Europe the main route of infection is the transmission of the African swine fever by ticks

False

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The African swine fever virus is highly resistant against the environmental conditions

True

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The African swine fever causes hemadsorption in cell cultures

True

In the control of African swine fever thinning of the wild boar populations is helpful

True

ASF is always a peracute disease

False

ASF virus retains its infectivity for years in frozen meat

True

The African swine fever virus replicated in lymphocytes

False

Wild boars may be chronically infected with African swine fever virus

False

Wild boars can carry African Swine Fever virus as chronically infected animals

True

African swine fever is endemic in Sardinia

True

The resistance of the African swine fever virus is very low

False

African swine fever is generally transmitted by mosquitoes

False

African swine fever can cause disease in humans

False

The African swine fever virus can be inactivated by irradiation

False

The ASF causes hemadsorption in cell cultures

True

African Swine Fever virus infects every cloven hoofed animal

False

African Swine Fever does not occur in Europe

False

African Swine Fever is a resistant virus

True

Immunocomplexes are formed in the case of African Swine Fever

True

Only activated vaccines are used for the prevention of African Swine Fever

False

Ticks can transmit African Swine Fever virus

True

In ASF cases abortion is never observed

False

Swine and wild boars are susceptible to African Swine Fever virus

True

Warthogs can maintain African Swine Fever in endemic areas

True

Attenuated vaccines are used for the prevention of African swine fever

False

African Swine Fever virus has a low resistance

False

African Swine Fever virus can infect pigs and wild boars

True

The clinical signs of African Swine Fever are more severe in wild boars than in farmed pigs

False

There is a widespread vaccination in endemic areas to prevent African Swine Fever

False

In Europe the ticks are the most important means in the transmission of the ASF virus

False

In case of ASF infection viremia can last for months

True

Infection by moderately virulent ASF virus results in high mortality of sows

True

The moderately virulent ASF virus does not cause fever

False

In case of infection by highly virulent ASF virus we can see skin necrosis as clinical sign

False

In chronic cases of ASF spleen hyperplasia is a leading pathological lesion

True

African swine fever leads to abortion regardless of the virulence of the infecting virus

True

Wild boars may carry African Swine Fever virus as chronically infected animals

True

The main tool against African Swine Fever is vaccination

False

Virulent strains of African Swine Fever virus cause an acute disease in domestic pigs.

True

Acute African Swine Fever is characterized by haemorrhages

True

Vaccination is used for prevention of African Swine Fever

False

African Swine Fever cause skin lesions in swine

True

African Swine Fever is caused by arbovirus

True

African Swine Fever is endemic in Central Europe

False

African Swine Fever virus infects pigs and ruminants

False

African Swine Fever virus can replicate in certain ticks

True

African Swine Fever is caused by any arbovirus

False

African Swine Fever is a notifiable disease

True

Virus neutralization is the most important tool for African Swine Fever diagnosis

False

Pregnant sows abort in case of African Swine Fever disease cases

True

The chronic form of African Swine Fever is similar to other immune complex disorders

True

African Swine Fever infection of humans leads to cold like symptoms

False

African Swine Fever virus may cause chronic infections in pigs

True

African Swine Fever may cause a chronic disease in wild boars

True

African swine fever virus can replicate in certain soft ticks

True

The clinical picture of chronic African Swine Fever is similar to dermatitis Nephritis/nephropathy

True

African Swine Fever does not have any vaccination

True

The ASF virus can be detected by hemagglutination test

False

The boutons in the intestines are characteristic pathological findings in case of ASF

False

Several virulence variants of ASF virus exist

True

Picornaviridae are enveloped viruses

False

The resistance of Picornaviridae is low, they cannot survive in the environment

False

Vaccinations are used in Europe for prevention of picornaviruses

True

Just State Vet medical steps and general preventative measures are used for prevention for Picornavirus

False

Cardioviruses have a narrow host range

False

Picornavirus is characterized by encephalitis and severe diarrhoea

False

Asymptomatic animals can carry Teschovirus

True

Teschovirus is resistant, it remains infective in the faeces for a few weeks

True

Teschen and Talfan disease are caused by different virulence variants of the same virus

True

Asymptomatic animals can carry Teschovirus

True

Only pigs are susceptible to teschovirus encephalomyelitis

True

Teschovirus encephalomyelitis virus is shed in the faeces

True

There is widespread vaccination to control teschovirus encephalomyelitis

False

Teschovirus encephalomyelitis virus is transmitted by arthropods

False

There is widespread vaccination using inactivated vaccines to prevent teschovirus encephalomyelitis

False

Porcine teschovirus encephalomyelitis virus is shed in the faces

True

Asymptomatic pigs can shed the porcine teschovirus encephalomyelitis virus

True

Porcine teschovirus encephalomyelitis virus replicates in the gut

True

Porcine teschovirus encephalomyelitis is mainly caused by serotype 1 strains

True

Porcine teschovirus encephalomyelitis virus is maintained by rodents

False

Porcine teschovirus encephalomyelitis virus can infect pigs and cattle

False

Porcine teschovirus encephalomyelitis virus cannot survive in the environment

False

A sporadic disease with weakness of hind legs or encephalomyelitis in piglets

True

Dogs and cats can be infected with Teschen disease virus

False

Teschen disease virus can be present in pork meat

True

The virus of Teschen disease is shed in the faeces for several weeks after infection

True

The main clinical sign of Teschen disease in sheep is pneumonia

False

Lameness is a typical clinical sign of Teschen disease

True

Teschen disease occurs in cattle, sheep and pigs

False

Enteritis and pneumonia are frequent postmortem lesions of Teschen disease

False

Enlargement of the spleen and haemorrhages are typical postmortem lesions of Teschen disease

False

Haemorrhages are typical postmortem lesions of Teschen disease

False

Teschen disease is frequent all over the world

False

The Teschen disease virus infects the animals per os

True

Paralysis is a clinical sign of Teschen disease

True

Diarrhoea is a typical clinical sign of Teschen disease

False

Dogs and cats can be infected with Teschen disease virus

False

Teschen disease can affect older pigs

True

Teschen disease is endemic in Brazil

False

Both young and adult pigs can be affected by Teschen disease

True

Teschen is caused by Picornavirus

True

Teschen is caused by Enterovirus

False

Teschen disease is present worldwide

False

Teschen disease causes diarrhoea in piglets

False

Teschen disease can affect older piglets

True

Inactivated vaccines are widely used in Europe to prevent Talfan disease

False

There is widespread vaccination in Europe for prevention of Talfan disease

False

Talfan disease can be seen in animals below 4 months of age

True

Talfan disease is a disease of pigs

True

The clinical signs of Talfan disease are more severe than that of Teschen disease

False

Talfan disease occurs in any age groups

False

Haemorrhages are typical postmortem lesions of Talfan disease

False

Flaccid paralysis is a typical clinical sign of Talfan disease

True

Paralysis is a clinical sign of Talfan disease

True

Talfan disease is caused by viruses of decreased virulence

True

Talfan disease occurs in Europe, America and Australia

True

Pigs and ruminants are susceptible to the agent of Talfan disease

False

The agent of Talfan disease replicates in the gut

True

The agent of Talfan disease is shed lifelong after the infections

False

Talfan infects piglets older than 4 months

False

Vesicles can be seen in the liver in the case of swine vesicular disease

False

Swine vesicular disease virus cannot cause viraemia

False

Swine vesicular disease virus can cause viraemia

True

Swine vesicular disease is a zoonosis

False

Swine vesicular disease virus can cause vesicles on the snout of pigs

True

The resistance of swine vesicular disease virus is very low; it cannot survive in the environment

False

Haemorrhages in the serous membranes can be frequently seen postmotem in the case of swine vesicular disease

False

Haemorrhages can be seen post mortem in the case of swine vesicular disease

False

The mortality of swine vesicular disease is 40-50%

False

The mortality of swine vesicular disease is very high, it can be 50-60%

False

Swine vesicular disease is frequently seen in Europe

False

Swine vesicular disease virus replicates in the epithelium of the throat and tonsils

True

Only pigs are susceptible to swine vesicular disease virus

True

Pigs are infected with swine vesicular disease virus per os

True

Swine vesicular disease is present worldwide

True

Swine vesicular disease is frequent among pigs

False

Swine vesicular disease occurs only in Africa, it never occurred in Europe

False

Swine vesicular disease virus can be shed by asymptomatic carriers

True

Swine vesicular disease virus can infect only pigs

True

Swine Vesicular Disease virus can infect swine and ruminants

False

Swine Vesicular Disease virus can cause infection per os

True

Swine Vesicular Disease virus does not cause viraemia, only local lesions can be seen

False

Swine Vesicular Disease virus can infect humans

False

Swine vesicular disease virus cannot survive in the environment

False

Swine Vesicular Disease cause skin lesions in bovids

False

Swine Vesicular Disease is derived from Coxsacki-B5

True

Swine Vesicular Disease virus can replicate in CNS

True

Swine Vesicular Disease is present only in Italy

False

Swine Vesicular Disease is present only in Hong Kong

False

Swine Vesicular Disease was present in both Italy and Hong Kong

True

Swine Vesicular Disease can cause clinical signs in humans

False

Swine Vesicular Disease has been present in all European countries, but now only present in South-East Asia

False

Swine Vesicular Disease is similar in appearance to Foot and Mouth Disease

True

Swine Vesicular Disease causes skin lesions in cattle

False

Judging from the clinical signs, Swine Vesicular Disease cannot be differentiated from FMD

True

Swine Vesicular Disease is frequent among pigs

False

Lameness can be a sign of Swine Vesicular Disease

True

Haemorrhages in the parenchymal organs are frequent postmortem lesions of avian encephalomyelitis

False

Haemorrhages are frequent postmortem lesions of avian encephalomyelitis

False

There is germinative spread in the case of avian encephalomyelitis

True

There is no germinative infection in the case of avian encephalomyelitis

False

Avian encephalomyelitis is not transmitted germinatively

False

Tremor is a typical clinical sign of avian encephalomyelitis

True

vian Encephalomyelitis is not transmitted through the egg

False

Avian encephalomyelitis virus can infect chicken

True

Clinical signs of avian encephalomyelitis can be seen in animals up to 5 weeks of age

True

Avian encephalomyelitis virus is shed in the faeces

True

Avian encephalomyelitis is caused by a double stranded DNA virus

False

Chickens are susceptible to avian encephalomyelitis virus

True

Germinative infection is a way of spreading of avian encephalomyelitis virus

True

Avian encephalomyelitis is caused by enterovirus

False

Incubation time of Avian encephalomyelitis virus is 11 (9-10) days following PO infection

True

Incubation time of Avian encephalomyelitis virus depends on the mode of infection

True

Avian encephalomyelitis is caused by a hepatovirus

False

Avian encephalomyelitis is not transmitted germinatively

False

Avian encephalomyelitis virus kills the embryo

False

Avian encephalomyelitis is present only in chickens

False

Avian encephalomyelitis virus is killed at hatching temperature

False

Avian encephalomyelitis spreads both horizontally and via eggs

True

Infection via eggs does not occur in Avian encephalomyelitis

False

Avian encephalomyelitis is not transmitted through the egg

False

Germinative infection can happen in the case of duck hepatitis

False

Spasmodical paddling is a frequent clinical sign of duck hepatitis

True

The resistance of duck hepatitis A virus is high

True

Ducks are infected with the duck hepatitis A virus generally per os

True

Duck hepatitis cannot be prevented with vaccination

False

Duck hepatitis A virus is shed in the faeces

True

Duck hepatitis A virus does not cause viraemia

False

Ducks are infected with the duck hepatitis A virus generally per os

True

Duck hepatitis A virus can cause germinative infection

False

Clinical signs of duck hepatitis can be seen mainly in laying ducks

False

Duck hepatitis A virus can be detected with PCR

True

Germinative infection is the primary way of infection with Duck hepatitis A Virus

False

Clinical signs of Duck hepatitis are seen in 1-4 week old ducklings

True

Spasmodical paddling is a typical sign of Duck hepatitis

True

There are no vaccines for the prevention of Duck hepatitis

False

Per os infection is a common way of infection with duck hepatitis A virus

True

Clinical signs of duck hepatitis can be seen in all age groups

False

Duck Viral Hepatitis is present in Hungary on a large scale

False

Duck Viral Hepatitis can be caused by multiple virus spp./serotypes

True

Duck Viral Hepatitis is primarily a disease of younger ducklings

True

The primary replication site is the GI tract in Duck Viral Hepatitis

True

Type 4 Duck Viral Hepatitis can infect older animals

True

Duck Viral Hepatitis is caused by type 1 and 2 coronavirus

False

Duck Viral Hepatitis causes haemorrhagic enteritis in older ducks

False

Pathogens of Duck Viral Hepatitis can infect older animals

True

Encephalomyocarditis virus is shed in the faeces by infected animals

True

Encephalomyocarditis virus infects animals mainly per os

True

Encephalomyocarditis infections are rare

False

Encephalomyocarditis virus can infect only pigs

False

Encephalomyocarditis virus remains infective in the environment

True

Encephalomyocarditis virus can cause per os infection

True

Encephalomyocarditis virus can infect humans

True

Encephalomyocarditis virus has a narrow host range

False

Rodents can maintain encephalomyocarditis infection

True

Encephalomyocarditis virus can cause necrosis of the heart muscle

True

Encephalomyocarditis is a zoonosis

True

Encephalomyocarditis may be deadly for elephants

True

FMD is a chronic disease

False

FMD spreads slowly within the herd

False

FMD virus is shed by semen

True

Dogs are susceptible to FMD

True

Foot and mouth disease is serologically uniform

False

Foot and mouth disease virus is uniform, there are no serotype or subtypes of it

False

Because of the high variability of FMD virus cross protection cannot be observed even within the serotype

True

Within the FMD serotypes, subtypes can be differentiated

True

The sample from the FMD suspected animal should be submitted to lab cooled but not frozen

True

FMD ulcers are usually sharp edged and regular round shaped

False

The foot and mouth disease is classified into 7 serotypes

True

The primary replication site for FMD is the tongue mucosa

False

FMD can be transmitted by frozen meat

True

The peracut form of FMD causes severe haemorrhages and death by shock

False

The chronic form of FMD means arthritis

False

FMD is transmitted by insect vectors

False

Vesicles of FMD can fully recover after immune response

True

FMD causes the loss of hoof in swine

True

Foot and mouth disease can be carried for long time in the hoof tissue

True

The SAT-1,2 and 3 serotypes of FMD virus are present in Africa and Arabia

True

In humid cold environment, the FMD virus can retain its infectivity for weeks

True

Even the vaccinated animals can carry and shed the FMD virus

True

The main host (reservoir) of foot and mouth disease virus is swine

False

FMD induces lameness in sheep and oral vesicles in goats

True

FMD virus is shed in milk

True

The FMD virus can retain its infectivity in dried milk for months

True

The FMD virus can retain its infectivity in frozen milk for months

True

There are no neutralizing antibodies produced against foot and mouth disease virus

False

For laboratory tests foot and mouth disease samples should be submitted in buffered transport medium

True

For laboratory tests FMD samples should be submitted frozen

False

Within the FMD serotypes, subtypes can be differentiated

True

The resistance of foot and mouth disease virus is low

False

The foot and mouth disease virus can retain its infectivity for 40 days in manure

True

In Europe supportive therapy is applied in the treatment of FMD

False

Frothy and sticky nasal discharge is the characteristic sign of FMD

False

The hedgehog is susceptible to FMD

True

Because of high variability of FMD virus cross protection cannot be observed even within the serotype

True

All serotypes of foot and mouth disease can be detected worldwide

False

Foot and mouth disease can cause myocarditis in young animals

True

Ruminants can carry foot and mouth disease virus for up to 3 years

True

The Asia serotype of FMD virus is present in Turkey and in the Middle East

True

The FMD virus is enveloped

False

FMD virus cannot be propagated in cell culture

False

FMD virus cannot be isolated in cell culture

False

24 hours after the inoculation of FMD virus into guinea pig paw pad vesicle formation can be observed

True

The FMD mortality is nearly 100%

False

The mortality of foot and mouth disease is very high in all age groups

False

The FMD suspected sample should be sent to lab by post (in mail)

False

FMD virus can be transmitted by feed

True

Animals with foot and mouth disease shed the virus in the saliva

True

Animals can be infected with foot and mouth disease by inhalation

True

The primary replication sites of foot and mouth disease are the lymph nodes

False

The primary replication sites of foot and mouth disease is the bone marrow

False

Horses are susceptible to foot and mouth disease

False

Cattle shed foot and mouth disease virus for a shorter time comparing to swine

False

The foot and mouth disease virus is very sensitive to the environmental conditions

False

Foot and mouth disease is transmitted by insect vectors

False

We can observe the most severe foot and mouth disease signs on sheep

False

In the control of foot and mouth disease vaccines are used in Europe

False

Vaccination using attenuated vaccines is the main way of control of foot and mouth in Europe

False

9 hours after infection foot and mouth disease virus can be shed by the infected animals

True

Swine shed foot and mouth disease virus for a shorter time than cattle

True

Pigs shed more foot and mouth disease virus than cattle

True

The foot and mouth disease virus is very sensitive to acidic pH

True

Foot and mouth disease virus can infect ruminants and pigs

True

Foot and mouth disease virus can only infect animals

False

FMD is sporadic in Europe

True

Resistance of FMD virus is high, in the environment it remains infectious for weeks

True

FMD virus frequently causes carditis is young animals

True

Water buffalos are not susceptible for FMD

False

The main signs of FMD are: fever, salivation, formation of vesicles and lameness

True

Serological examinations are important in diagnosis of FMD

False

In Europe vaccines must not be used for prevention of FMD

True

In sheep clinical signs of FMD are very mild, it is not easy to recognize

True

For Europe Middle-East, Africa and Asia are the main danger to introduce FMD

True

In young animal FMD virus frequently causes myocarditis

True

FMD virus is highly contagious, spreads rapidly

True

In endemically infected countries vaccines are also used in prevention of FMD

True

O and A serotypes of FMD are mostly widespread in the world

True

In sheep clinical signs of FMD are very mild

True

The resistance of FMD virus is rather low, in the environment it is inactivated within days

False

About half of the countries of the world are presently infected with FMD

True

Resistance of FMD virus is low, in the environment, they are inactivated within days

False

FMD virus can get into Europe most easily from Turkey, Middle East and North- Africa

True

FMD virus can cause severe myocarditis in young calves and piglets

True

In infected countries inactivated vaccine are also used for prevention of FMD

True

Pigs shed large amount of FMD virus with their saliva during the acute phase of the disease

True

FMD virus is genetically and serologically uniform

False

The main reservoirs of FMD virus are cattle and buffalo

True

FMD virus is carried in the tonsils, lymphatic tissues and hoof of the infected animal

True

FMD erosions are characteristic with tattered edge and red base

True

Vaccination against FMD can prevent the infection

False

FMD virus retains its infectivity for more than a month in manure

True

Genotype C of FMD virus is the most frequently detected worldwide

False

Swine shed about 1000-3000% higher FMD virus concentration comparing to ruminants

True

Shedding of FMD virus starts 3 days after the infection

False

FMD virus is shed by semen too

True

Vaccinated animals can carry FMD virus

True

Comparing to cattle swine show milder vesicular symptoms

True

Myocarditis can be a result of Foot and Mouth disease cases

True

Vesicles are often seen on the tongue of Foot and Mouth disease infected cattle

True

Europe is endemically infected with Foot and Mouth disease

False

Vaccination against Foot and Mouth disease results in type specific immunity

True

Pigs are not susceptible to Foot and Mouth disease

False

Foot and Mouth disease virus can be shed from infected animals during the incubation time

True

Vaccination is currently used against Foot and Mouth disease in Europe

False

Foot and Mouth disease virus can only infect ruminants

False

Foot and Mouth disease is caused by enteroviruses

False

Foot and Mouth disease is not present in South America

False

Foot and mouth disease virus may cause severe heart muscle damage in young calves

True

Foot and mouth disease are endemic in Europe

False

Foot and mouth disease is clinically more severe in pigs than in cattle

False

Foot and mouth disease virus can replicate in epithelial and myocardial cells

True

Foot and mouth disease virus is spread by infected saliva and vesicle fluids within the herd

True

Foot and mouth disease is caused by F2 viruses

False

Recovery from foot and mouth disease induces type specific protection

True

FMD has 7 known serotypes

True

There are 3 subtypes SAT 1, 2, 3 in the SAT serotype

True

FMD replicates primarily in the pharynx

True

In the Asian serotype of FMD there are 3 subtypes, Asia 1, 2 and 3

False

FMD causes most severe symptoms in pigs

False

Vaccination is used against FMD

True

Europe is currently free from FMD

True

FMD replicates in the skin.

True

FMD cause skin lesions in bovine

True

FMD cause skin signs in swine

True

In sheep, clinical signs are usually more severe than in cattle

False

For prevention of FMD in Europe only State Vet steps are used

True

Inactivated vaccines can be used in endemically infected countries

True

Only the live attenuated strains can provide good immunity

False

Vaccination of cattle herds is permitted everywhere

False

FMD is characteristic with fever, salivation and vesicle formation in the skin and mucous membranes

True

The replication time of FMD virus is over one day

False

Calicivirus can cause persisting infections in the tonsils

True

Sapoviruses cause gastrointestinal infections in human

True

The VES infection results in clinical signs similar to that of FMD

True

The VES virus can survive in water for 2 weeks

True

The primary source of VES infection is sea origin feed

True

VES causes the highest mortality in pregnant sows

False

VES causes mortality in piglets

True

VES is more contagious than FMD

False

Lameness is one of the signs of vesicular exanthema in swine

True

Vaccines are ideally used for the prevention against swine vesicular exanthema

False

Swine vesicular exanthema virus is present worldwide

False

The Vesicular Exanthema of swine virus infects only pigs

False

Clinical signs of the Vesicular Exanthema of swine can be similar to the Foot and Mouth disease

True

VES can be easily differentiated from FMD by the character of the vesicles

False

Vesicular exanthema of swine is sea-mammal origin

True

We can differentiate VES from FMD by the lack of lameness

False

Several serotypes of Swine Vesicular Exanthema virus can be detected in fishes

True

Rodents are the reservoir hosts of Vesicular Exanthema of Swine virus

False

Midges are the main vectors of the Vesicular exanthema of swine virus

False

Feline calicivirus is carried and shed by vaccinated animals too

True

The feline calicivirus is shed in excretes

True

The feline calicivirus infection can be recognised by the ulcers seen on the tongue

True

The feline calicivirus infection can cause the limping of kittens

True

Cat queens frequently abort in the acute phase of Feline Calici virus infection

False

Bordetella bronchiseptica can complicate calicivirus infection of cats

True

Virulent strains of feline calicivirus can cause severe systemic syndrome

True

Feline calicivirus can cause persisting infection In the tonsils

True

Cats may carry and shed feline calicivirus for several month or years

True

Feline caliciviruses cause haemorrhagic enteritis

False

Some variants of feline calicivirus may escape vaccine induced protection

True

Cats shed the Feline calicivirus for several weeks

True

Lameness and fever are possible clinical signs of Feline calicivirus infection

True

Oral erosions are signs of Feline calicivirus infectio

True

Virulent strains of the Feline calicivirus can cause systemic disease with mortality

True

Virulent systemic feline calicivirus causes more severe symptom in kittens

True

FCV infection results in a two-phase fever

False

Infected cats carry feline calicivirus at least for a month

True

Feline calicivirus may be shed by urine and faeces

True

Feline calicivirus infection may cause pyrexia and lameness

True

Erosions on the oral mucosa are frequent signs of feline calicivirus infection

True

Feline calicivirus has a very characteristic biphasic fever

False

RHD (Rabbit Haemorrhagic Disease) induces clinical signs mostly in animals younger than 2 months

False

RHD virus is used for biological control of rural rabbits

True

RHD virus propagates in the liver of the infected animals

True

RHD virus can be propagated in cell culture

False

Vaccines against RHDV-1 induce protection against RHDV-2 too

False

Encephalitis is a frequent sign of the rabbit haemorrhagic disease

False

Rabbit haemorrhagic disease virus is transmitted by mosquitoes

False

Rabbit haemorrhagic disease is characterized by rapid progression

True

Australia is free of rabbit haemorrhagic disease

False

Rabbit haemorrhagic disease virus usually causes death in 1-3 weeks old rabbits

False

There are no vaccines available against rabbit haemorrhagic disease

False

Up to 100% of susceptible rabbits may be killed by rabbit haemorrhagic disease

True

The incubation time of rabbit haemorrhagic disease is usually over 3 weeks

False

Hepatic necrosis is a frequent lesion of rabbit hemorrhagic disease

True

Rabbits over 1 month of age become susceptible to the Rabbit Haemorrhagic Disease virus

True

The Rabbit Haemorrhagic Disease is present only in Australia

False

Rabbit Haemorrhagic Disease virus usually causes death in 1-3 weeks old rabbits

False

There are no vaccines available against Rabbit Haemorrhagic Disease

False

The haemorrhage in RHD is the result of virus multiplication in the liver

True

In RHD pathology we can see haemorrhages and infarcts in the kidney

True

Vaccine against RHD is produced in rabbits

True

RHD causes airborne infection

True

The Rabbit Haemorrhagic Disease is a chronic illness with low morbidity

False

The orthohepevirus A causes clinical symptoms only in human

True

The Orthohepevirus A can be zoonotic

True

The avian hepatitis E is a zoonotic disease

False

The avian hepatitis E causes drop in egg production

True

Hepatitis E virus causes characteristic clinical symptoms in swine

False