James Hohmann @jameshohmann
The novel coronavirus is the bad seed of the family. Of the millions of coronaviruses, 6 were previously known to infect humans. 4 cause colds that spread easily each winter, barely noticed. The others are SARS and MERS. via @LennyMBernstein @arianaeunjung https://t.co/viJzGEbmvD — PolitiTweet.org