CNN.com - RSS Channel - HP HeroCDC warns new Covid-19 variants could accelerate spread

CNN's Erica Hill reports on confusion around the amount of second doses of the coronavirus vaccine from Pfizer as the CDC warns the new Covid-19 variants could accelerate the spread of Covid-19 in the US.

January 19, 2021 at 03:41AM https://ift.tt/39PYPNM Erica Hill reports on confusion around the amount of second doses of the coronavirus vaccine from Pfizer as the CDC warns the new Covid-19 variants could accelerate the spread of Covid-19 in the US.