Flashcards in Viruses and Prions Deck (161)
How is Influenza virus types A, B, C transmitted?
What lab findings are useful to help diagnose Epstein-Barr virus? (3)
blood smear shows absolute lymphocytosis and atypical lymphocytes; monospot test shows heterophile Abs for first 2 weeks of infection; rising IgG (previous infection) and IgM (acute infection) titres useful to follow course of disease
What is the morphology of human immunodefiency virus?
What is the morphology of measles virus (rubeola)?
rNA enveloped paramyxoviridae
What are the three 'Cs' of measles?
cough, coryza, conjunctivitis
What is the morphology of polio virus?
non enveloped RNA picoRNAvirus, an enterovirus
Describe the ulcers associated with HSV-2.
genital herpes with painful penile, vulvar or cervical ulcers
What are the clinical manifestations of prions?
15-20 months incubation, then slow, progressive dementia and other neurological symptoms (compare Alzhemers). Creutzfeld-Jacob disease?
Prions: Jeopardy style: pathologic prions take on this conformation
what is beta-pleated sheet
What is the morphology of respiratory syncytial virus?
enveloped RNA virus