Leslie Marshall @LeslieMarshall
RT @DrEricDing: 14) #DeltaVariant is more contagious than smallpox… says the scientist who led the eradication of smallpox. Can’t top that… — PolitiTweet.org
Larry Brilliant MD, MPH @larrybrilliant
This might help explain how many (on average) new people are infected by cases of various Viruses including COVID v… https://t.co/4QWcqMi19g