Prevalence and incidence of adult pertussis in an urban population
ME Nennig, HR Shinefield, KM Edwards, SB Black… - Jama, 1996 - jamanetwork.com
Objectives.—To determine the prevalence ofBordetella pertussisinfection among adults who
have prolonged cough for 2 weeks or longer and to estimate the incidence ofB
pertussisinfection in adults in a defined urban population. Design.—A prospective clinical
study. Setting.—Kaiser Permanente, San Francisco (Calif) Medical Center. Participants.—
One hundred fifty-three referred and participating health plan members 18 years old or older
with the complaint of cough persisting for 2 weeks or longer and 154 health plan members …
have prolonged cough for 2 weeks or longer and to estimate the incidence ofB
pertussisinfection in adults in a defined urban population. Design.—A prospective clinical
study. Setting.—Kaiser Permanente, San Francisco (Calif) Medical Center. Participants.—
One hundred fifty-three referred and participating health plan members 18 years old or older
with the complaint of cough persisting for 2 weeks or longer and 154 health plan members …