The U.S. Centers for Disease Control and Prevention this week released data showing that effectiveness of the COVID-19 vaccine booster wanes markedly in the months following that shot, though the agency still said uptake of the booster is important for fighting against the virus.
The agency said in a press release that studies showed effectiveness against COVID-19 emergency department and urgent care incidents “was 87% and 91%, respectively, during the 2 months after a third dose [of the booster],” but that it “decreased to 66% and 78% by the fourth month after a third dose.”
The CDC said that “protection against hospitalizations exceeded that against ED/UC visits” with the shot.
Read More