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Newsweek has reached out to the U.S. Department of Health and Human Services, the royal family, and Dr. Malhotra for comment.
Claims that COVID-19 vaccines cause cancer in public figures can impact public confidence in vaccination programs. This comes after Kennedy canceled all federal funding for 22 mRNA vaccine development projects last month, arguing they “fail to protect effectively against upper respiratory infections like COVID and flu.” Multiple doctors and scientists have criticized this decision, with many defending the safety and efficacy of mRNA vaccines.
Dr. Lucky Tran, a molecular biologist, stated that the rhetoric is harmful since scientists are developing mRNA-based cancer vaccines that could save countless lives.
Malhotra’s remarks were part of a discussion on alleged harms from mRNA COVID-19 vaccines. The king’s diagnosis was announced in February 2024, and Princess Kate reported remission in January 2025. Mainstream health bodies and cancer researchers have rejected any causal link between the vaccine and cancer.
Cancer Research U.K. stated: “There is no good evidence of a link between the COVID-19 vaccine and cancer risk. The vaccine is safe and effective for preventing serious symptoms.”
British Health Secretary Wes Streeting criticized Reform leader Nigel Farage, stating on X: “It’s shockingly irresponsible to give a platform to these poisonous lies. He should apologize and sever all ties with this dangerous extremism.”
Reform U.K. told The Times that Dr. Malhotra is a guest speaker with his own opinions who has an advisory role in the U.S. government. Reform U.K. does not endorse what he said but supports free speech.
Health officials warn against disseminating unverified medical claims, which could depress vaccination rates and impact public confidence. This criticism likely prompts renewed calls for media and political platforms to scrutinize health claims.
Independent scientific review and statements from major health authorities remain the benchmark for assessing vaccine safety. Currently, agencies such as the U.S. Centers for Disease Control and Prevention and the U.K. National Health Service maintain that there is no established evidence linking COVID-19 vaccines to cancer.
