Dr Matshidiso Moeti, W.H.O regional director for Africa, and Angus Thomson of UNICEF discuss the study on the AstraZeneca vaccine’s efficacy against the South Africa variant.
Mass. doctor on J&J COVID-19 vaccine, effectiveness
WCVB
Dr. Daniel Kuritzkes, chief of infectious disease at Brigham and Women's Hospital, discusses the anticipated approval of the J&J..
