Vaccine opponents are circulating false and misleading claims about COVID-19 vaccines causing cancer, with several posts racking up millions of views. One popular post falsely claims the SV40 DNA sequence in COVID-19 vaccines “drives DNA into the nucleus,” while another claims that “massive levels” of “foreign” DNA have been found in COVID-19 vaccines. The posts insinuate that these DNA fragments are driving up cancer rates.
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The persistence and pervasiveness of this myth increase its risks. Debunking messaging may emphasize that the SV40 sequence used in COVID-19 vaccines is harmless and not cancer-causing. Although SV40 has been shown to cause cancer in rodents, the part of the SV40 virus that enters the cell nucleus and is associated with cancer-causing properties is the T antigen, which is not in any vaccine. Messaging may also highlight how vaccine opponents have promoted the myth that COVID-19 vaccines cause cancer since the vaccines’ introduction. Over three years of research have found no link between any COVID-19 vaccine and cancer. Fact-Checking Source(s): Lead Stories, Health Feedback
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