new recommendations for treating and preventing pertussis
A steady rise in whooping cough is prompting new recommendations for treating and preventing pertussis.
Reported cases are up 25-fold in the last 3 decades...from about 1,000 in 1975 to over 25,000 cases in 2004.
Vaccination. Immunity from the childhood vaccine wanes after 5 to 10 years...so CDC now recommends a booster for adolescents and adults.