DAY 174: "Forecast Warning"

     According to Fauci, the Delta variant will likely become the dominant strain of SARS-CoV-2 in the U.S. in a matter of weeks.

     Delta, the primary mutation discovered in India, even now makes up 20% of all new cases in the U.S.

     If I understand correctly, it is 60% more transmissible than Alpha (UK), which is more transmissible than Wuhan-1. Reinfection, for those who've recovered from COVID-19, is actually possible.

     We don't (yet) know how effective our vaccinations will be against this strain. But researchers agree that outdoor transmission is rare...for what it's worth.

     Data from Seth Mnookin of M.I.T..