Several coronavirus vaccines are in development, but the two ready for approval are from Pfizer and from Moderna, Laura Podesta reports (). WCCO 4 News At Noon – December 4, 2020 Coronaviruscoronavirus immune systemcovidCOVID-19COVID19immune systemIMMUNITYImpendingvaccinesvideoVITAMINvlogWCCO 4 NewsYouTube