ASF, Picorna, Calci, Orthohepe Flashcards
Several virulence variants of African Swine Fever Virus exist
True
African swine fever is shed in the saliva of the infected animals
True
ASF virus is shed in the urine of the infected animals
False
Stamping out of the infected herds is applied in the control of African Swine Fever
True
The leading clinical sign in African swine fever is excess salivation
False
In acute African swine fever the leading pathological findings are the haemorrhages T
True
The African swine fever infects the swine per os
True
The African swine fever virus genome codes only 2 proteins
False
The African swine fever virus infects the swine by air
False
In African swine fever cases of abortion are never observed
False
The primary replication site of African swine fever virus is the oronasal mucosa
False
The primary replication sites of African swine fever virus are the tonsils and lymph nodes
True
In acute ASF cases the leading pathological finding is the black and enlarged lymph nodes T
True
In case of African swine fever enlarged spleen is observed during necropsy
True
The ASF virus replicates the bone marrow
True
The tick species vectoring African swine fever are present in Portugal and Spain
True
The ASF virus is serologically uniform but several genotypes exist
True
In acute ASF we can observe high mortality in sows
True
Vaccines are available in EU to be used in the control of African swine fever
False
Vaccines are available to be used in the control of ASF
False
The immune system cannot neutralize the ASF virus by antibodies
True
The African swine fever virus can be disinfected by 2%NaOh within 1 day
True
In Europe the main route of infection is the transmission of the African swine fever by ticks
False
The African swine fever virus is highly resistant against the environmental conditions
True
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
