The pattern of coronavirus spread is trivially explained by a combination of climate, age distribution, mask wearing, lockdown policy, school closures, type of air conditioning, prevalence of handshaking, cultural factors, population density, season, and of course random chance.
-
-
I've also seen Vitamin D, BCG inoculation against TB, mutations & other environmental coronaviruses thrown out. Funny thing: some of these are reasons used to "explain" the BCG vaccine's highly variable efficacy, & that one's been around for 99 years. https://en.wikipedia.org/wiki/BCG_vaccine#Efficacy …pic.twitter.com/6RsDBAFBzU
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.