Recent studies confirm that mRNA vaccines are safe and provide a high degree of protection against COVID-19. However, leaked emails show that there were doubts last year about early commercial batches of the Pfizer-BioNTech mRNA vaccine. The emails reveal that the European Medicines Agency (EMA) raised concerns with Pfizer that the vaccine contained lower levels
In a recent review, a team of allergists offer reassurance and guidance regarding allergic reactions to the COVID-19 vaccines. The authors, led by allergists at Massachusetts General Hospital in Boston, conducted a detailed review of issues relating to allergic reactions to the Pfizer-BioNTech and Moderna vaccines. They conclude that reactions to vaccines are rare, and
Researchers recently found that some people who recovered quickly from COVID-19 continued to have antibodies against SARS-CoV-2 for several months. This discovery suggests the potential for long-term protection among those with a strong initial immune response. According to the Centers for Disease Control and Prevention (CDC), there have been more than 9 million confirmed COVID-19
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