Seguro que no es nada, todos tranquilos, ya lo dice la misma noticia (las negritas son mías): «The evidence shows that all three COVID-19 vaccines authorized in the United States are safe — as demonstrated by the over 400 million vaccine doses already given. And, they are all highly effective in reducing the risk of severe disease, hospitalization, and death, even in the midst of the widely circulating Delta variant," CDC Director Rochelle Walensky said in an Oct. 21 statement.»

¿A quién vas a creer, a tus propios ojos o a lo que te dice el C. D. C. por activa y por pasiva? Desde luego...