Tag: Vaccines

Incidence of myocarditis probably higher after vaccination with mRNA-1273 versus BNT162b2, lower with increased interval between doses

Biden administration is working on contracts for the reformulated booster doses

Among nonresponders to initial COVID-19 vaccination, seroconversion occurred in 56 percent following booster dose

Findings show lower hospitalization risk 31 to 120 days after COVID-19 infection

Vaccine meant to be given in two doses, but officials say they plan to stop offering second-vaccine appointments to stretch doses

Systemic reactions generally mild, slightly more likely among those receiving both vaccines compared with COVID-19 mRNA booster alone

Vaccine uses nanoparticles made of proteins from the surface of the coronavirus to stimulate an immune response

Local and systemic reactions reported less frequently after fourth dose versus dose 3 of primary vaccination series

42 percent of those with regular menstrual cycles bled more heavily than usual after COVID-19 vaccination

No region of the world was spared, with the most dramatic declines seen in East Asia and the Pacific region