Time of day of influenza vaccination and subsequent influenza risk

About the study: This cross-sectional study examines whether time of day of influenza vaccination is associated with differences in vaccine effectiveness.

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 ).

10.1001/jamanetworkopen.2026.25267

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