HLTB21H3 Lecture Notes - Subacute Sclerosing Panencephalitis, Encephalitis, Rinderpest
Document Summary
Lec 10: measles rubella (rubeola, hard measles, red measles, morbilli, hasbah) Symptoms: fever, typical red, blotchy rash combined with cough, coryza, or conjunctivitis. Does not survive drying on a surface, it can survive drying in microdroplets in the air. Transmitted by nose and throat secretions of infected persons (droplet spread) Direct contact and by indirect contact through freshly soiled articles and airborne transmission. Infectivity is greatest 3-4 days before the rash appears: rash appears 12-14 days after contact with an infected person, contagious nature of disease respiratory route of transmission, life-long immunity. Period of communicability is from before the beginning of the prodromal phase of the disease to 4 days after the start of the rash. Incubation time from time of exposure to onset of fever of about 10 days with a range from 8 to 13 days. Incubation period from time of exposure to rash onset is about 14 days. Greatest incidence is in children under 2 years old.
