… vaccination on elderly persons in 3 large health plans: Kaiser Permanente Northwest,
HealthPartners, and Oxford Health Plans. … Subjects were health plan members ⩾65 years old. …

… the effectiveness of human papillomavirus vaccination by dose number and spacing against
incident genital warts in a cohort of 64,517 female health-plan … warts before vaccination, we …

… -preventable diseases,6,7 skepticism regarding vaccine safety and effectiveness,6-8 lack
of financial/reimbursement systems for providers,4,6,9 lack of administrative systems for …

… In this analysis, we only included women continuously enrolled in the health plan from
June 30, 2006 to the specimen collection date to ensure complete ascertainment of …

… effectiveness of influenza vaccination among 18 cohorts of community-dwelling elderly members
of health … -term view of the effectiveness of influenza vaccine while addressing potential …

… literature review of HPV vaccine effectiveness by number of … Observational studies of HPV
vaccine effectiveness have many … sources of bias are needed for valid effectiveness estimates. …

… vaccine introduction and after 9-valent vaccine introduction were examined, we found evidence
of vaccine effectiveness … 9-valent vaccine–type HPV after higher rates of vaccination are …

… To test the plausibility of our vaccine effectiveness results, we repeated our analysis using
office visit data from January 1, 2004 through February 29, 2004. We hypothesized that the …

… Vaccine effectiveness estimates against influenza may differ geographically due to … , type
of vaccine purchased by large healthcare organizations or pharmacies, vaccination coverage …

… Aggregate vaccine effectiveness in preventing pneumonia and … The net savings to the HMO
per vaccination was $6.11 for … of their medical care from the health plan, and each contact …