President-elect Joe Biden, who on Monday unveiled the members of his coronavirus task force, praised news from Pfizer that a COVID vaccine it has been developing has proven to be 90 percent effective in preventing the disease.
President-elect Joe Biden, who on Monday unveiled the members of his coronavirus task force, praised news from Pfizer that a COVID vaccine it has been developing has proven to be 90 percent effective in preventing the disease.
[NFA] The White House coronavirus task force coordinator Dr. Deborah Birx on CBS’s ‘Face The Nation’ Sunday said she is..