Exam 2- RNA Viruses Flashcards
All RNA viruses are ss EXCEPT
reoviruses
What does reovirus cause?
reovirus (cold/gastroenteritis)
rotovirus (gastroenteritis)
What does arenavirus cause?
LCMV (choriomeningitis)
Lassa Fever (hemorrhagic fever)
What does bunyavirus cause?
California encephalitis
Hantavirus (pulmonary syndrome)
What does orthomyxovirus cause?
Flu A & B
What are antibodies for influenza directed at?
HA
Antigenic drifts cause
epidemics
Antigenic shifts cause
pandemics
A sudden _____ is more deadly than a gradual ____.
Shift
Drift
What does filovirus cause?
Ebola
What does rhabdovirus cause?
Rabies
What is the mechanism for rabies?
binds to nicotinic ACh receptors in peripheral nerves
How is rabies diagnosed?
post mortem negri bodies in purkinje cells of cerebellum and hippocampal neurons
What does paramyxovirus cause?
measles
mumps
parainfluenza
RSV
What does parainfluenza virus cause?
croup