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The head of the FDA is urging states to begin vaccinating lower-priority groups against Covid-19 as officials try to pick up the pace of the vaccine rollout. U.S. News
CDC has learned of reports that some people have experienced severe allergic reactions-also known as anaphylaxis-after getting a COVID-19 vaccine. As an example, an allergic reaction is considered severe when a person needs to be…
mRNA vaccines are a new type of vaccine to protect against infectious diseases. To trigger an immune response, many vaccines put a weakened or inactivated germ into our bodies. Not mRNA vaccines. Instead, they teach…