Epidemiologist & health economist. Senior Fellow, @FAScientists. Former 16 yrs @Harvard. Environment, health & social justice. COVID updates since Jan 2020.
B117 variant is now *dominant* in the US. I’m 99% certain that another surge is on the way in April or May. Why? The more contagious #B117 is surging—now crossed the 50% threshold of all cases, in addition to pockets of others variants. 🧵 #COVID19https://t.co/02Q7lcSn1E pic.twitter.com/gAwi2OGTTy— Eric Feigl-Ding (@DrEricDing) March 20, 2021