Effects of a large-scale intervention with influenza and 23-valent pneumococcal vaccines in adults aged 65 years or older: a prospective study

The Protective Efficacy of Polyvalent Pneumococcal Polysaccharide Vaccine

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The Efficacy and Cost Effectiveness of Vaccination against Influenza among Elderly Persons Living in the Community

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The Efficacy of Influenza Vaccination in Elderly Individuals

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Pneumococcal Polysaccharide Vaccine Efficacy

Jay C. Butler · JAMA · 1993 · 634 citations

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Benefits of Influenza Vaccination for Low-, Intermediate-, and High-Risk Senior Citizens

Kristin L. Nichol, J. Wuorenma, T. von Sternberg · Archives of Internal Medicine · 1998 · 488 citations

Medicine, Infectious Diseases, Preventive Medicine +16