BA.2 We need to be informed. This is displacing the old omicron… Maria van Kerkhove warns “we need to drive transmission down”

12) Even the @WHO is getting very concerned about #BA2 variant outcompeting and displacing old #Omicron. WHO’s COVID lead @mvankerkhove now warns about a likely BA2 related surge. We must be vigilant. This is not a drill—BA2 is real.

HT @Cleavon_MD. pic.twitter.com/k3b8GWObYU

— Eric Feigl-Ding (@DrEricDing) February 20, 2022