RT @DrEricDing
⚠️Worrisome—New lab experiments from Japan show that #BA2 may have features that make it as capable of causing serious illness as older variants–including Delta! And yet as evasive as old #Omicron cousin BA1. #BA2 🌍 surging—needs upgrade to VOC asap @WHO!
https://www.cnn.com/2022/02/17/health/ba-2-covid-severity/index.html