The Tricky Math of Herd Immunity for Covid-19 Ifeadi C. 05:42 Feed: All Latest, Zero Tech Blog When will a disease stop spreading through a population? The formula is simple, but the variables are much more complicated. via Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsMoviePass CEO proudly says the app tracks your location before and after moviesGoogle Search comes to iMessage'Jessica Jones' pulp covers reveals Season 2 episode titlesEuropean Union plans to tax tech giants on local revenueFacebook swings at Twitter with Breaking News labelVolkswagen’s latest I.D. concept EV is a stunner self-driving sport sedan