Parvoviruses Flashcards
There is no neutralizing epitope of parvoviruses
F
The reproduction of the parvovirus is continuous in the dividing cells
T
Parvoviruses are good antigens
T
Bocaviruses may cause mild respiratory or enteric diseases in newborn animals
T (they are in parvoviridae and infect humans)
Parvoviruses can be cultured in homologous, young dividing cell cultures
T
The resistance of Parvovirus is high, in the environment they remain infectious for several months
T
Parvoviruses multiplicate only in rapidly dividing cells
T
SMEDI is caused by goose circovirus
F
SMEDI is caused by porcine circovirus
F
If 75-day-old swine foetuses are infected with parvovirus myoclonia congenital is a clinical sign.
T
If 75-day-old swine foetuses are infected with parvovirus respiratory clinical signs can be seen in the piglets
F
The embryo can be infected with porcine parvovirus 1
T
Parvovirus rarely causes SMEDI in endemic farms
T
Swine parvovirus can cause foetal damages only if the infection takes place during the pregnancy
T
Swine parvovirus occurs worldwide, most herds are seropositive.
T
If 100-day-old swine foetuses are infected with parvovirus, weak piglets can be seen
T
If 100-day-old swine foetuses are infected with parvovirus, myoclonia congenital is a clinical sign
T
If 100-day-old swine fetuses are infected with parvovirus, dermatitis is a clinical sign
F
SMEDI is caused by porcine parvovirus
T
If 15 day old swine foetuses are infected with parvovirus myoclonia congenital is a clinical sign
F
If 100-day-old swine fetuses are infected with parvovirus, respiratory clinical signs can be seen
F
If 75 day old swine foetuses are infected with parvovirus abortion can be seen
F
If 15 day old swine foetuses are infected with parvovirus mummification can be seen
F
The porcine parvovirus 1 causes renal disorders in adults
F
Porcine parvovirus (PPV 1) vaccinations start at or after 6 months of age
T
PPV 1 is transmitted through the fecal-oral route
T
PPV 1 is endemic in most pig herds
T
Porcine parvovirus 4 is usually involved in reproductive disorders
T (PPV 2-7 but not genetically uniform)
Swine parvovirus is shed in the faeces for some weeks after contracting the infection
T
The maternal immunity against porcine parvovirus lats for a very long time
T
PCR is used for the detection of antibodies against porcine parvovirus 1
F
Porcine SMEDI can only be induced by parvoviruses.
F
(Also by Porcine Enterovirus)
PPV-1 induces diarrhoea in suckling piglets
F
(No GIT signs in newborn piglets)
Neurological disorders are frequent in Porcine parvovirus infections
F
(Myoclonia Congenita is not frequent only if 70+ …….)
The primary site of Porcine parvovirus (PPV-1) replication is in the small intestine
T
Swine parvovirus usually causes foetal damages in first pregnant gilts
T
Swine parvovirus maternal antibodies can exist up to 6 to 12 months of age
F
The maternal immunity against porcine parvovirus lasts for very long time.
T
Porcine parvovirus can cause neurological signs in sows
F
Porcine parvovirus frequently causes diarrhoea in piglets
F
For prevention of Porcine parvovirus caused fetal damages, live vaccines are available.
T
Piglets of sows seroconverted by PPV-1 are maternally protected for months
T
Porcine parvoviruses are genetically uniform
F
Porcine parvovirus (PPV-1) infection of seronegative pregnant animals can damage the foetus
T
PPV-1 vaccination must be started at 4-6 weeks of age
F
Vaccination against canine parvovirus 2 is independent from maternal antibodies
F
Vaccination against canine parvovirus 2 depends on maternal antibodies
T
The parvovirus enteritis of dogs is caused by canine parvovirus 1
F
The parvovirus enteritis of dogs is caused by canine parvovirus 2
T
The parvoviral enteritis of dogs is type 3 hypersensitivity
F
Maternal antibodies against canine parvovirus can protect puppies for 8 weeks
T
Maternal antibodies against canine parvovirus can protect dogs for about 2 years
F
The replication of canine parvovirus 2 is in the crypt cells of large intestine
F
The replication of canine parvovirus 2 is in the crypt cells of small intestine
T
Maternal antibodies of dogs protect not longer than 2 weeks in the case of parvoviral enteritis of dogs
F
Canine parvoviruses do not infect cats
F
(new variants CPV-2a/b/c/ab can infect cats)
Old CPV-2 cannot
Canine parvovirus attack lymphoid cells
T
Canine parvovirus is shed with the feces
T
Canine parvovirus can replicate in the myocardium of young pups
T
Older dogs are usually sero-positive for Canine Parvo virus
T
Canine parvoviruses are shed in high concentrations with the faeces
T
Subtypes of Canine parvovirus (CPV-2) cause panleukopenia in cats
T
Canine herpesvirus infection can cause abortion
T
Dog parvovirus caused enteritis most frequently affects young dogs, less than one year old
T
For prevention of Canine parvovirus enteritis, live attenuated virus vaccines are used
T
Dog parvovirus can cause myocarditis in young puppies
T
Dog parvovirus enteritis is nowadays very rare
F
Dog parvovirus can be detected directly from Faeces
T
Dog parvovirus can be detected directly from Sera, Saliva. Foetus.
F (indirectly from Serum=antibodies)
Canine parvovirus infection of susceptible dogs results in high mortality
T
Older dogs are usually seropositive for Canine parvovirus (CPV2) subtypes
T
Leukopenia is characteristic for successful CPV-2 infections
T
Canine parvovirus diseases are similar to that caused by Pantropic coronaviruses
T
Maternal antibodies usually protect for 2-3 weeks against Canine parvovirus disease
F
More
Canine parvoviruses form a single antigenic group
F
Maternal antibodies against cat parvovirus protect only till 2 weeks age
F
Maternal antibodies against cat parvovirus can protect till 4 months age
T
Feline panleukopenia infection can cause fever
T
Feline panleukopenia may be caused by canine parvovirus
T
New CPV2 variants
Feline panleukopenia is present worldwide
T
Hyperimmune serum can be used for the treatment of feline panleukopenia
T
Feline panleukopenia virus infection of dogs may cause acute diarrhea
F
Feline Panleukopenia does not occur in dogs
Feline panleukopenia viruses may infect dogs
F
not dogs only mustelidae
The incubation period of Cat panleukopenia is short, usually 3 to 5 days.
T
Cat panleukopenia virus can infect only cats.
F
Cat panleukopenia virus causes disease only in cats
F
To cat panleukopenia virus only cats are susceptible
F
Cat panleukopenia virus can cause abortion in pregnant cats
T
Cat panleukopenia virus can cause disease also in Mustelidae species
T
Vaccinations against Feline panleukopenia usually start at or after 2 months of age
T
Europe is free of Feline panleukopenia
F
The mink enteritis is a type 2 hypersensitivity
F
Mink parvovirus enteritis is characterized by fever and high mortality
T
For prevention of Parvovirus Mink Enteritis, live attenuated vaccines are available
T
Mink parvovirus enteritis appears as bloody diarrhoea
T
Aleutian mink disease and mink enteritis are caused by the same virus
F
Aleutian mink disease is caused by protoparvovirus, like cat parvovirus
F
AMDV = Amdoparvovirus = Carnivore Amdoparvovirus 1
Feline PL Virus = Protoparvovirus = Carnivore Protoparvovirus 1
Aleutian mink disease virus causes enteritis
F
Vaccines are available against Aleutian mink disease
F
Vaccines are used to prevent Aleutian Mink Disease
F
Aleutian mink disease is caused by cat parvovirus
F
Aleutian mink disease is a type III hypersensitivity
T
Aleutian mink disease is a type IV hypersensitivity
F
Aleutian mink disease is a type I hypersensitivity
F
Aleutian disease is a parvovirus caused immunocomplex disease of minks
T
Attenuated vaccines can be used against Aleutian mink disease
F
Inactivated vaccines are used against Aleutian mink disease
F
Live vaccines are used against Aleutian Mink Disease
F
Aleutian mink disease can induce interstitial pneumonia in young animals
T
Aleutian mink disease virus induces enteritis in older minks
F
glomerulonephritis + hypergammaglobulinemia
Aleutian mink disease virus can infect ferrets
T
Ferrets can also be infected by the Aleutian Mink Disease virus.
T
The Aleutian Mink Disease is usually acute
F
Aleutian Mink Disease occurs only in the US.
F
Aleutian Mink Disease is due to formation of immunocomplexes
T
Enteritis is a clinical sign of Aleutian Mink Disease
F
The Derzsy’s disease virus causes pneumonia
F
The Derzsy’s disease virus can infect ducks.
T → infects Muskovy ducks too)
Ascites can be a clinical sign of Derzsy’s disease
T
Derszy’s disease is caused by a polyomavirus
F
The Derzsy’s disease virus causes conjunctivitis
F
The Derzsy’s disease virus causes tiger stripes on the heart
T
Typical clinical signs of the Derzsy’s disease are results of infection below 5 weeks of age
T
Infection below 5 weeks of age results in severe clinical signs of the Derzsy’s disease
T
The primary site of replication of Derzsy’s disease virus is the gut
T
The Derzsy’s disease virus may induce diarrhea in growing geese
T
Derzsy’s disease virus can cross into the egg
T
Derzsy’s disease may occur both in geese and Muscovy ducks
T
Goose parvovirus can spread both horizontally and vertically
T
For prevention of goose parvovirus disease, both live attenuated and inactivated vaccines are used
T
or prevention of Derzsy’s disease both live and inactivated vaccines are used
T
Derzsy’s disease appears clinically most frequently in geese aged from one to four weeks
T
Derzsy’s disease virus causes enteritis in growing geese
T
Derzsy’s disease virus does not infect the egg
F
The Derzsy’s disease virus can infect ducks
T, also infects Muskovy ducks
The duck parvovirus can infect goose
F, it doesn’t infect goose
