Virus 2 Flashcards
Rotavirus
😶Segmented dsRNA virus (a reovirus) A .
😶Most important global cause of infantile gastroenteritis. Major cause of acute diarrhea in the United States during winter, especially in day care centers, kindergartens.
😶Villous destruction with atrophy leads to absorption of Na + and loss of K+ .
😶ROTAvirus = Right Out The Anus. CDC recommends routine vaccination of all infants except those with a history of intussusception or SCID.
Yellow fever virus
A flavivirus (also an arbovirus) transmitted by Aedes mosquitoes. Virus has a monkey or human reservoir.
Symptoms: high fever, black vomitus, and jaundice. May see Councilman bodies (eosinophilic apoptotic globules) on liver biopsy.
Flavi = yellow, jaundice.
Rhinovirus
A picornavirus. Nonenveloped RNA virus.
Cause of common cold; > 100 serologic types. Acid labile—destroyed by stomach acid; therefore, does not infect the GI tract (unlike the other picornaviruses).
