Dr. Rochelle Walensky, director of the US Centers for Disease Control and Prevention (CDC), said Thursday that fully vaccinated people can still transmit the COVID-19 virus.
Walensky told CNN’s Wolf Blitzer, “Our immunizations are performing incredibly well.”
The vaccines are effective in preventing serious sickness and death in Delta, but “what they can’t do anymore is prevent transmission,” Walensky said, emphasizing the need for even vaccinated people to wear masks indoors once more.
According to numbers released by the CDC on Wednesday, the Delta variation was responsible for 93.4 percent of all new COVID-19 infections in the United States during the last two weeks of July.
According to a study released by the CDC last week, the Delta variant produced similar amounts of virus in vaccinated and unvaccinated people who became infected, implying that vaccinated people who develop a breakthrough infection may have a similar tendency to spread the virus as unvaccinated people.
