Biden says life may not return to normal this year due to COVID mutations, slow vaccine production

President Biden on Friday said life may not return to normal in 2021 due to COVID-19 mutations and possible interruptions in US vaccine production. Biden said at a Pfizer vaccine factory in Portage, Mich., that mutations of the virus and unforeseen vaccine production blips could extend the pandemic’s social and economic fallout. “I believe we’ll…