#omicron #variant #mutation #familyTree #December @dfcosi Daniele Focosi MD Phd MSc from  
In case anyone wants to trace whether #VOC originated from BA.2, BA.4 or BA.5
#shitShow #winterIsComing #wearTheDamnMask #reinfection #noImmunity #relativeHumidity #contagious #covidIsAirborne
BF.7 = BA.5.2.1.7 just #fyi