Pediatric Influenza Vaccination Efficacy

This cross-sectional study examines national insurance claims data to examine the efficacy of influenza vaccination in US children aged 2 to 5 years.

Corresponding Author: Anupam B. Jena, MD, PhD, Department of Health Care Policy, Harvard Medical School, 180 Longwood Ave, Boston, MA 02115 (jena@hcp.med.harvard.edu).

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