BIOS 350 Lecture Notes - Lecture 17: Carditis, Antigenic Shift, Antigen
Document Summary
Caused by a positive-strand rna virus of the togavirus group: disease symptoms resemble measles but are generally milder and less contagious (figure 29. 21) Routine childhood immunization is practiced in the united states. Caused by a paramyxovirus (like measles: highly infectious. Characterized by inflammation of the salivary glands (figure 29. 22) In the united states, the incidence of measles, mumps, and rubella has decreased significantly since the implementation of the mmr vaccine. Common childhood disease characterized by a systemic papular rash (figure. Vzv is highly contagious and is transmitted by infectious droplets: a vaccine is currently used in the united states. Vzv virus establishes a lifelong latent infection in nerve cells. The virus occasionally migrates to the skin surface, causing a painful skin eruption (shingles) Symptoms milder than those of other respiratory diseases. Symptoms include rhinitis, nasal obstruction, watery nasal discharges, and malaise.
