The Conversation: What does a strong reaction to a COVID-19 vaccine mean? 23 de abril de 2021 by r4ibom in Uncategorized A doctor explains whether experiencing side effects from the Pfizer, Moderna or J&J vaccine signals how well your immune system is working. Compartilhe isso:Clique para compartilhar no Twitter(abre em nova janela)Clique para compartilhar no Facebook(abre em nova janela) Relacionado 23 de abril de 2021