"To our knowledge, our study is the first to detect Pfizer-BioNTech and Moderna COVID-19 mRNA vaccine sequences in blood after vaccination, and therefore provides new knowledge regarding the timeframe in which the mRNA can be detected," the study authors write.
A study found elevated levels of spike protein circulating in the bloodstream of individuals who developed postvaccine myocarditis after receiving the Pfizer and Moderna COVID-19 vaccines, which might potentially contribute to myocarditis by causing inflammation.
"Durably protective vaccines against non-systemic mucosal respiratory viruses with high mortality rates have thus far eluded vaccine development efforts," writes Dr. Fauci