Midterm 1: Poxvirus Flashcards
The eradication of smallpox was successful because the immunity against the virus is strong
True
Poxviruses can cause generalised disease
True
The eradication of monkeypox was successful
False
The eradication of smallpox was successful because the virus has one and stable serotype
True
The eradication of smallpox was successful because there are clinical signs during the shedding
True
Poxviruses cause inclusion body in the cytoplasm
True
Pox viruses are epitheliotropic viruses
True
Poxviruses can cause local clinical signs
True
Poxviruses cause inclusion body in the nucleus
False
Pox viruses cause lesions in 4 stradia at the site of primer replication
False
Parapox viruses cause long lasting immunity
False
Serological cross-protectivity exists between certain poxvirus species but only within genus
True
Humans can be infected with the following poxviruses: Cowpox, Pseudocowpox, Vaccinia, Monkeypox, Parapox, Contagious Pustular Dermatitis
True
Poxvirus never causes viraemia and generalised infection
False
Poxvirus can cause cytoplasmic inclusion bodies
True
Poxvirus are a strong antigens, except for Orthopoxvirus
False
Poxvirus are a strong antigen, except for Parapoxvirus
True
Serological cross-reactions exist between certain poxvirus species
True
Poxviruses usually propagate in epithelial cells of the skin and mucosal surface
True
Orthopoxviruses are strong antigens
True
Parapoxviruses are strong antigens
False
Avipox viruses can cause fever and rash in children (chickenpox)
False
Poxviruses usually induce cell proliferation in epithelial cells of the skin and mucosal surfaces
True
Orthopoxviruses cause long-lasting immunity
True
Cowpox Virus virus can infect rodents
True
Cowpox causes a pockmark after Infection
False
Cowpox virus is a zoonotic agent
True
People are susceptible to cowpox virus infection
True
Cowpox is closely related to smallpox virus
True
Cowpox virus is frequently present in rodents
True
Cowpox can cause lesions in humans
True
Skin nodules and ulcers can be signs of cowpox infection in cats
True
Skin lesions may be seen in cats after Cowpox virus infection
True
In cattle, Cowpox lesions are usually seen on the teats
True
Rodents are reservoir hosts of the cowpox virus
True
Cowpox virus frequently causes abortions and encephalitis of calves
False
Cowpox virus can cause milker’s nodules in humans
True
Cowpox virus frequently causes transplacental infection and immune tolerance
False
The Cowpox virus infection is prevented by regular vaccination in endemic countries
False
In cattle the Cowpox infection is mostly fatal
False
Recovering from Cowpox leaves lifelong immunity
False
Cowpox virus is most frequently present in rodents
True
Cowpox virus may cause a generalised infection in elephants
True
Cowpox virus can infect wild animals
True
Pseudocowpox virus is closely related to smallpox virus
False
Pseudocowpox virus can infect cats
False
Pseudocowpox spreads slowly on a farm
True
Pseudocowpox virus usually causes nodules on face of infected cats
False
Reinfection can happen in the case of pseudocowpox virus
True
Pseudocowpox causes a pockmark after infection
False
Pseudocowpox virus usually causes itchy red nodules on the face of infected person
False
Pseudocowpox virus can cause itchy red nodules on the finger of an infected person
True
Pseudocowpox does not cause a milkers nodule
False
Pseudocowpox is a zoonotic agent
True
People are susceptible to pseudocowpox infection
True
Pseudocowpox infections result a long lasting immunity
False
In cattle, Pseudo-cowpox lesions are usually seen on the teats
True
Pseudo-cowpox can cause Pseudo-lumpy skin disease in cats
False
In cattle Pseudopox lesions are usually mild and transient
True
Recovering from Pseudocowpox leaves/results in lifelong immunity
False
Pseudocowpox virus only infects cloven-hoofed animals
False
Pseudocowpox infections may be present in humans
True
Bovine papular stomatitis virus can frequently cause coinfection with BVDV
True
Bovine papular stomatitis virus can frequently cause coinfection with herpes mammillitis virus
False
Vaccination against bovine papular stomatitis provides life-long immunity
False
Bovine Papular Stomatitis virus causes vesicles in the oral cavity and hoofs of cattle
False
Calves should be vaccinated against Bovine Papular Stomatitis
False
Bovine Papular Stomatitis can cause skin lesions in humans
True
Bovine Papular Stomatitis is frequently seasonal
True
Bovine Papular Stomatitis is caused by a Parapoxvirus
True
Lumpy skin disease is an OIE-listed disease
True
The mortality of lumpy skin disease is high (above 80%)
False
In lumpy skin disease the fertility is good
False
In lumpy skin disease direct contact is very important
False
In lumpy skin disease the arthropods as mechanical vectors are very important
True
The mortality of lumpy skin disease is less than 30%
True (? low but not sure if <30%)
The milk production is increased in lumpy skin disease
False
Ruminants are susceptible to the lumpy skin disease virus
True
The lumpy skin disease is only present in Africa
False
Lumpy skin disease causes high mortality in cattle
False
Arthropods play an important role in the transmission of lumpy skin disease virus
True
Lumpy Skin Disease virus is mostly transmitted by insects
True
Generalized Lumpy Skin Disease may cause abortion
True
Attenuated vaccines are available against lumpy skin disease
True
Lumpy skin disease is present only in Asia
False
Lumpy skin disease is a notifiable disease
True
Attenuated vaccines are available against Lumpy Skin Disease in endemic countries
True
Lumpy Skin Disease results in high mortality
False
Lumpy Skin Disease is caused by Parapox Viruses
False
Generalisation is frequent in lumpy skin disease virus infections
False
Lumpy skin diseases virus replicates in the epithelial cells
True
The contagious pustular dermatitis can cause pneumonia
False
The virus of contagious pustular dermatitis is same as orf
True
Contagious pustular dermatitis can cause painful papules in the mouth
True
The contagious pustular dermatitis is common in young lambs
True
Contagious pustular dermatitis is a zoonotic disease
True
The contagious pustular dermatitis virus is related to goat pox virus
False
The contagious pustular dermatitis virus is related to pseudocowpox virus
True
Contagious pustular dermatitis virus can infect goats
True
The contagious pustular dermatitis can cause lameness
True
Contagious pustular dermatitis virus can infect cows
False
The orf virus is same as pseudocowpox
False
Contagious pustular dermatitis (orf) virus causes skin lesions in pigs
False
Contagious pustular dermatitis is often deadly at any age
False
Virulent virus vaccines may be used for immunisation against Contagious Pustular Dermatitis of sheep (Orf)
True
Contagious pustular dermatitis virus may survive in the environment for ages
True
Vaccination against contagious pustular dermatitis virus provides lifelong protection
False
The Orf virus is a zoonotic agent
True
The Orf virus is very resistant in the environment
True
Contagious Pustular Dermatitis can only be seen on the teats of ewes
False
Inactivated vaccines are used against Contagious Pustular Dermatitis
False
Strong crustation is frequent in Contagious Pustular Dermatitis
True
Orf is a rare disease of sheep flocks and cattle herds
False
Orf affects sheep flocks and goat herds, mainly young lambs and kids
True
Neonatal lambs are susceptible to Orf, as they have no maternal immunity
True
Lesions due to Orf, typically appear on the muco-cutaneous junction
True
Sheep pox virus is a zoonotic agent
False
Sheep and goat pox are OIE listed diseases
True
Sheep and goat pox virus can cause generalisation, mainly in sheep
True
A clinical sign of sheep pox can be horseshoe shaped pockmarks on the wool covered body
False
Vaccines against sheep poxvirus are widely used in Europe
False
A clinical sign of sheep pox can be the mucopurulent nasal discharge
True
The sheep and goat pox occur in Asia
True
Capripoxviruses cause long-lasting immunity
True
A clinical sign of sheep pox can be the swollen eyelid
True
The sheep and goat pox occurs worldwide
False
Sheep and goat poxviruses are mainly taken through the oral route
False
The sheep and goat pox virus is mainly spread by mosquitoes
False
Clinical signs of sheep and goat pox are seen only at site of the primer replication
False
Vaccines against sheep poxvirus are widely used in Africa
True
Sheep pox and goat pox viruses are very resistant in the environment
True
Sheep pox virus can cause skin lesions in humans
False
Arthropods play an important role in the transmission of sheep pox virus
False
Sheep pox virus infects mostly through inhalation
True
Sheep and goat pox are endemic in Europe
False
Sheep pox is deadly for young susceptible lambs
True
The usual way of infection by sheep or goat pox is inhalation
True
Sheep pox virus can cause respiratory signs and abortion
True
Sheep – and goat pox are enzootic in Europe
False
Sheep pox virus infections frequently generalise
True
Sheep – and goat pox virus is transmitted only vertically.
False
Vaccines are available against Sheep pox in endemic areas
True
Sheep and goat pox are transmitted by infected animals and fomites
True
Sheep pox is a generalised disease with fever
True
Sheep pox results in high mortality in susceptible lambs
True
Sheep and goat pox are endemic in Africa
True
Swinepox virus can infect cattle
False
The clinical signs of swinepox can be skin eruptions, red inflamed bumps
True
Sui Poxviruses cause long lasting immunity
True
The swinepox is always generalised
False
Swinepox virus is a zoonotic agent
False
The swinepox virus is present worldwide
True
The swine pox virus causes clinical signs in case of bad hygienic conditions
True
Arthropods play an important role in the transmission of swine pox virus
True
Swinepox virus can infection swine at every age
True
Swine Pox is frequently generalised in adult pigs
False
Swine pox is usually a benign disease transmitted mainly by ectoparasites
True
Swine pox is usually a benign disease, but mortality may occur in piglets
True
Swine pox virus frequently causes interstitial pneumonia
False
Swinepox virus can be vectored by fleas and lice
True
Swine pox virus can cause respiratory signs and abortion
False
Only pigs are susceptible to Swine pox
True
Swine pox is frequently generalised in adult pigs
False
Swine poxvirus infection gives lifelong immunity
True
Swine poxviruses affects only pigs and grows only on porcine tissue.
True
Swine poxvirus infection can be transmitted by arthropods
True
Swine poxvirus infection might cause death in newborns
True
The swinepox virus causes high economic losses
False
Myxomatosis is a zoonotic disease
False
Myxomatosis frequently causes serious clinical signs and high losses in Lepus europaeus
False
A clinical sign of myxomatosis is the lion head
True
A clinical sign of myxomatosis is the swollen belly
False
The myxomatosis virus can be present in green fodder and mosquitoes
True
Myxomatosis is not present in America
False
Mosquito net can always prevent the myxomatosis
False
Late summer is the best period to vaccinate rabbits against myxomatosis
False
The attenuated myxomatosis virus has replaced the virulent virus in England
True
The attenuated myxomatosis virus has replaced the virulent virus in France
False
Myxomatosis causes seriously clinical signs in European Rabbits
True
Myxomatosis causes serious clinical signs in cotton tailed Rabbits
False
Myxomatosis is present in Australia
True
Conjunctivitis can be a sign of atypical myxomatosis
True
Subcutaneous swellings are frequent signs of myxomatosis
True
Attenuated vaccines are available against myxomatosis
True
Myxomatosis is only found in Australia
False
Respiratory signs can be seen in atypical forms of myxomatosis
True
The European brown hare is not susceptible to myxoma virus
True
Myxomatosis is mostly seasonal
True
There are no vaccines available against Myxomatosis
False
Arthropods play an important role in the transmission of Myxoma virus
True
Virulent strains of the myxoma virus are only present in Australia
False
Myxomatosis virus causes high morbidity and mortality in hares
False
The European brown hare may be an asymptomatic carrier of the Myxomatosis virus
True
Conjunctivitis is characteristic in the early phase of Myxomatosis
True
Tumour formation in the parenchymal organs is typical of Myxomatosis
False
Virulent strains of the Myxoma virus are persisting in wild rabbits
True
The nodular form of Myxomatosis is caused by strains of lower virulence
True
Two Myxomatosis serotypes are known
True
Several levels of virulence can be seen in Myxomatosis strains in Europe
True
Myxomatosis may result in over 90% mortality, in susceptible animals
True
Myxomatosis virus spread out to the world from China
False
The atypical form of Myxomatosis frequently appears with respiratory signs
True
Only domestic rabbits are susceptible to Myxomatosis
False
Typical form of Myxomatosis presents with gelatinous swellings, “lion head” and cold- like symptoms
True
Conjunctival or respiratory forms of Myxomatosis are atypical
True
Myxomatosis causes benign localised skin lesions in cottontail rabbits
True
Myxomatosis causes no viraemia in cottontail rabbits
True
Avian pox viruses always cause cross immunity
False
Fowlpox is a zoonotic disease
False
The serious form of the fowlpox is the cutaneous form
False
The serious form of the fowlpox is the diphtheric form
True
Fowlpox virus cause long lasting immunity
False
Fowlpox virus can infection only chicken
False
The diphtheritic form of fowlpox is usually less severe than the cutaneous
False
Heterologous viruses of avian pox frequently cause generalisation
False
Fowl pox viruses cause generalised diseases in seals
False
Avian pox viruses are frequently transmitted by insects
True
The mucosal form of Fowl pox is benign
False
Arthropods play an important role in the transmission of Fowl pox virus
True
The diphtheric (wet) form of Fowl pox develops after viraemia and generalised infection
True
Attenuated vaccines are available against Fowl pox
True
Signs of cutaneous Fowl pox are usually seen on the head (comb, eyelids) of chicken
True
Pathological lesions of mucosal fowl pox can be similar to Infectious Laryngotracheitis
True
Only inactivated vaccines can be used for prevention against fowl pox
False
Fowlpox is eradicated from most of the European countries
False
Fowlpox virus causes only transient skin lesions in chicken
True
The diphtheric (wet) form of Fowlpox causes lesions on the mucous membranes
True
Attenuated vaccines are forbidden to be used against Fowlpox
False
Avian pox viruses are species specific
False
The cutaneous form of Fowl pox is benign
True
