Herd Immunity Through Vaccination Won’t Come Until Mid-2021: Health Official

Admiral Brett Giroir, assistant secretary for health, demonstrates a COVID-19 testing kit in Washington on Sept. 28, 2020. Mandel Ngan/AFP via Getty Images

Herd immunity through COVID-19 vaccinations won’t be achieved until at least the spring of 2021, a health official said Dec. 16.

Herd immunity “will happen when 70 or 80 percent of the American people have immunity against COVID,” Adm. Brett Giroir, President Donald Trump’s testing czar, said on CNN’s “New Day.”