PARVOVIRUS 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
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 ( porcine parvovirus disease)
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, respiratory clinical signs can be seen.
F
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
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
PPV-1 induces diarrhoea in suckling piglets.
F
Neurological disorders are frequent in Porcine parvovirus infections.
F
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 ( protect up to 3-4 months of age)
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(3-4 months)
Canine parvoviruses do not infect cats
F
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-positve 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
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(3-4 months)
Canine parvoviruses form a single antigenic group.
F
Maternal antibodies against cat parvovirus protect only till 2 weeks age.
F(3-4 months)
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
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(acute enteritis!)
Feline panleukopenia viruses may infect dogs
F(only feline/cats)
The incubation period of Cat panleukopenia is short, usually 3 to 5 days
T
Cat panleukopenia virus can infect only 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
F
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(aleutin mink diseas = type 3 hypersensitivity!!)
Mink parvovirus enteritis is characterized by fever and high mortality.
T
For prevention of Parvovirus Mink Enteritis, live attenuated vaccines are available.
F(inactivated from 2 months)
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
Aleutian mink disease virus causes enteritis.
F(anorexia, bloody feaces, nervous signs)
Vaccines are available against Aleutian mink disease.
F
Aleutian mink disease is caused by cat parvoviru
F
Inactivated vaccines are used against Aleutian mink disease
F
Aleutian mink disease is a type III hypersensitivity
T
Aleutian disease is a parvovirus caused immunocomplex disease of minks.
T
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
Aleutian mink disease virus can infect ferrets.
T
The Aleutian Mink Disease is usually acute
F ( chronic)
Ferrets can also be infected by the Aleutian Mink Disease virus.
T
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 ? (Muscovy duck)
Ascites can be a clinical sign of Derzskys disease
T
Derszys disease is caused by a polyomavirus
F(parvovirus)
The Derzsy’s disease virus causes conjunctivitis
F( diarrhea, convulusion, ascites)
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
The primary site of replication of Derzsy’s disease virus is the gut
T(small intestinal epithelia)
The Derzsy’s disease virus may induce diarrhea in growing geese
T
Infection below 5 weeks of age results in severe clinical signs of the Derzsy’s disease
T
Derzsy ś disease virus can cross into the egg
T
Derzsy ś disease may occur both in geese and Muscovy chucks.
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
For 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 ś disease virus causes enteritis in growing geese.
T
The Derzsy’s disease virus can infect ducks.
T
The duck parvovirus can infect goose.
F
