56% Suspect COVID-19 Vaccines Caused Deaths
More than half of voters think COVID-19 vaccines may have killed many people, and back Health and Human Services (HHS) Secretary Robert F. Kennedy Jr.’s criticism of government health officials.
The latest Rasmussen Reports national telephone and online survey finds that 56% of Likely U.S. Voters consider it likely that side effects of COVID-19 vaccines have caused a significant number of unexplained deaths, including 32% who believe it’s Very Likely. Thirty-five percent (35% say it’s not likely there were significant deaths from COVID-19 vaccines, including 17% who think it’s Not At All Likely. These findings have changed little since September 2024. (To see survey question wording, click here.)
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The survey of 1,158 U.S. Likely Voters was conducted on September 7-9, 2025 by Rasmussen Reports. The margin of sampling error is +/- 3 percentage points with a 95% level of confidence. Field work for all Rasmussen Reports surveys is conducted by Pulse Opinion Research, LLC.
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