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25 Cards in this Set
- Front
- Back
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t/f: parvoviruses are somewhat fragile
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false; stable!
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what kind of IBs does Parvo have?
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eos intranuclear IBs
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most parvo do what with RBCs?
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hemagglutinate
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what is etiologic agent for feline panleukopenia?
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feline parvovirus
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cats recovered from feline panleukopenia have what kind of immunity?
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solid immunity
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viruses from parvo can survive in the environment for how long?
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more than 1 year
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transmission of feline panleukopenia?
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fecal-oral, inhalation, transplacental
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what are 4 clinical manifestations of feline panleukopenia?
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panleukopenia; enteritis; cerebellar hypoplasia; DIC
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what is panleukopenia in Feline Panleukopenia caused by?
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destruction of WBC in circulation and lymphoid tissue
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enteritis from feline panleukopenia has lesions where in the intestine?
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crypts of Lieberkuhn of SMALL intestine
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cerebellar hypoplasia is often seen in kittens infected in utero with Feline Panleukopenia in what stages of pregnancy/ life?
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last 2 weeks of pregnancy; first 2 weeks of life
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Feline Panleukopenia is most common in which animals?
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3-5 mo
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what is etiologic agent of Canine Parvovirus (esp. in the US)?
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canine parvovirus 2 (usually 2b in the US)
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how long and Canine parvovirus persist in environment?
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5 mo. or longer
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what is main clinical difference between canine parvovirus and feline panleukopenia?
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canine parvo: myocarditis if infected in utero or 3-8 weeks old; feline panleukopenia: cerebellar hypoplasia last 2 weeks in utero, first 2 weeks after birth
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do you see panleukopenia in canine parvovirus?
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yes
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if puppy is infected 2-12 days what is the outcome? 3-8 weeks, 2-4 months?
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2-12 d. = generalized neonatal dz; 3-8 wk. = myocarditis, sudden death; 2-4 mo. = panleukopenia/ enteritis
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threshold antibody titer for canine parvo?
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0.097222222
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Porcine parvovirus is caused by what etiologic agent?
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porcine parvovirus
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when are most pigs infected with porcine parvovirus?
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before second pregnancy
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how is porcine parvovirus transmitted?
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oronasal in dam; transplacental transmission
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death at different stages of pregnancy (ie. fetuses born with differing amounts of damage) is typical of what infection?
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porcine parvovirus
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in porcine parvovirus, name the different stages of fetal injury
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<30 days: fetus dies and resorbed; 30-70 days: fetuses die and mummified; >70 days: lesions, survive, produce Ab
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if a piglet is exposed to porcine parvovirus in utero and survives, what may be true?
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immunotolerant piglet may spread virus
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unlike most parvoviruses, swine parvoviruse causes what?
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persistent infection with CHRONIC shedding
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