03.12.21
Early concerns raised over levels of intact mRNA in Pfizer vaccine
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