J&J Vaccine Weak Against Delta Variant, 2nd Dose May Be Needed
WEDNESDAY, July 21, 2021 (HealthDay News) — Johnson & Johnson’s single-dose coronavirus vaccine is much less effective against the highly contagious Delta variant than it is against the original virus, new research claims. “The message that we wanted to give was not that people shouldn’t get the J&J vaccine, butContinue Reading