May as Well Get COVID and Flu Shots on the Same Day, Study Says

— Coadministration was not associated with an increased risk of side effects

June 29, 2026

• 3 min read

Both the SARS-CoV-2 virus and the vaccines to prevent it have evolved since 2020, but oft-cited vaccine safety data tend to come from the pandemic's early vaccines.In a target trial emulation, getting a COVID and flu shot on the same day was not associated with an increased risk of adverse events versus getting a flu shot alone.Of note, myocarditis risks were small in both the coadministration and flu vaccine-only groups.

Getting a COVID and flu shot on the same day was not associated with an increased risk of adverse events, according to a target trial emulation using electronic health data from the VA.