F.D.A. Analyses Find Johnson & Johnson Vaccine Works Well

Jacqui Dallimore, a research nurse, delivering a shot to a volunteer in the Johnson & Johnson vaccine trial at the Desmond Tutu H.I.V. Foundation Youth Center in Masiphumelele, South Africa, in December.Credit…Joao Silva/The New York Times The one-shot coronavirus vaccine made by Johnson & Johnson provides strong protection against severe disease and death from Covid-19, and […]