The k in COVID

“…. we don’t need to know all the sufficient factors that go into a super-spreading event to avoid what seems to be a necessary condition most of the time: many people, especially in a poorly ventilated indoor setting, and especially not wearing masks.”

“As Natalie Dean, a biostatistician at the University of Florida, told me, given the huge numbers associated with these clusters, targeting them would be very effective in getting our transmission numbers down.” “

source: https://www.theatlantic.com/health/archive/2020/09/k-overlooked-variable-driving-pandemic/616548/