The U.S. Centers for Disease Control and Prevention (CDC) didn’t include serious adverse events like heart inflammation on post-vaccination surveys even though the agency knew the issues could be linked to COVID-19 vaccines, documents show.
Even before the surveys were rolled out in December 2020 after the first vaccines were authorized, the CDC knew that myocarditis—a form of heart inflammation since confirmed as being caused by the Pfizer and Moderna shots—and other serious adverse events were of “special interest” when it came to the vaccines, according to a newly disclosed version of the protocol for the survey system….