¿La vacuna Johnson & Johnson requerirá refuerzo?
Tenemos una guía con las recomendaciones y opiniones de los [...]
F.D.A. Aims to Give Final Approval to Pfizer Vaccine by Early Next Month
The Food and Drug Administration’s move is expected to kick [...]
Some Are Chasing Extra Vaccine Shots, While Scientists Debate
Boosters may not be necessary yet, many experts say, and [...]
Vaccine Makers Are Asked to Expand Safety Studies on Children
The F.D.A. wants Pfizer and Moderna to increase the number [...]
Johnson & Johnson podría ser menos eficaz contra la variante delta
Muchos de los que recibieron la vacuna pueden necesitar refuerzos, [...]
J.&J. Vaccine May Be Less Effective Against Delta, Study Suggests
Many who received the shot may need to consider boosters, [...]