The vaccines from Pfizer and Moderna both use tiny snippets of genetic code called messenger RNA, or mRNA, to prompt the immune system into producing antibodies to the coronavirus, without using bits of the virus itself. For more information, read the USA CDC article entitled ‘Understanding mRNA COVID-19 Vaccines’.
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- Why is it so hard to investigate the rare side effects of COVID vaccines? April 7, 2021
- Protocol template for cohort event monitoring (CEM) for safety signal detection after vaccination with COVID-19 vaccines March 30, 2021
- COVID-19 Vaccine AstraZeneca: benefits still outweigh the risks despite possible link to rare blood clots with low blood platelets March 20, 2021