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Diarrhea Bugs > Viruses > Flashcards

Viruses Flashcards

0
Q

1 cause of non bacterial diarrhea in erudite

A

Norwalk virus

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1
Q

1 cause of viral diarrhea in children

A

Rotavirus

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2
Q

Rotavirus

Family , type of genome , replication

A

Reovirus

Segmented dsRNA - 11 segments
Naked wheel like icosahedral capsid

Replications in cytoplasmic inclusions .. Released by cell lysis

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3
Q

Transmission of rotavirus

A

Fecal oral,resists drying. Fomites

Fall, winter early spring

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4
Q

Norwalk virus

A

Naked , small , round ss +RNA with 3 reading frames

Very very hardy

More adults than children

Fecal oral, shellfish - yr round - hotels, cruise ship outbreaks

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5
Q

Pathophys Norwalk

A

Binds to brush boarder

Blunted villi at jejunum w. Cytoplasmic vacuolatioj mononuclear cell infiltrate

Vomiting diarrhea no blood

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6
Q

Enteric adenovirus

A

Naked dsDNA stereotypes 40.41 - gastroenteritis

Similar. Pathogenesis as rota

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7
Q

Astrovirus

A

SsRNA

Children and nursing home residents

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Diarrhea Bugs (5 decks)

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