NAKED RNA VIRUSES Flashcards by gin ♥︎ | Brainscape

Q

Poliovirus

A

fecal-oral

poliomyelitis

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Q

Coxsackie virus

A

respiratory droplet, fecal-oral, direct contact with respiratory secretions

coxsackie A&B

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Q

Hepatitis A virus

A

fecal-oral

hepatitis A infection

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Q

Hepatitis E virus

A

fecal-oral

hepatitis E infection

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Q

Norovirus

A

fecal-oral

viral gastroenteritis in adults

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Q

reoviridae

A

only RNA virus with a double-stranded RNA (dsRNA) genome

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Q

poliomyelitis

A

replicates in motor neurons in anterior horn of spinal cord, causing paralysis

minor illness, may progress to severe muscle pain, stiffness in neck & back, flaccid paralysis

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Q

Coxsackie A

A

hand-foot-and-mouth disease

affects infants & children younger than 5 years; vesicular rash on hands/feet & ulcerations in mouth

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Q

Coxsackie B

A

myocarditis, pericarditis (heart disease)

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Q

hepatitis A infection

A

replicates in the GI tract then spreads to the liver, immune attack by cytotoxic T cells

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Q

hepatitis E infection

A

causes outbreaks of hepatitis (epidemics)

no chronic carrier state, no cirrhosis, and no hepatocellular carcinoma

subclinical (no symptoms)

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Q

viral gastroenteritis (norovirus)

A

most important cause of epidemic viral (nonbacterial) gastroenteritis in adults

onset of vomiting, diarrhea, fever, abdominal cramping

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Q

Rotavirus

A

fecal-oral

viral gastroenteritis in childhood

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Q

viral gastroenteritis (rotavirus)

A

most common cause of childhood diarrhea

stomach acid resistant & reaches small intestine; declining absorption of Na+ and loss of K+

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