Live Q&A on #COVID19 variants of concern, including Omicron's sub-lineage BA.2 with Dr @mvankerkhove, Dr @lsubissi and Dr @AnuragAgrawalMD. #AskWHO / Twitter

Who

Live Q&A on #COVID19 variants of concern, including Omicron's sub-lineage BA.2 with Dr @mvankerkhove, Dr @lsubissi and Dr @AnuragAgrawalMD. #AskWHO