Making Sense of the CDC’s Coronavirus Transmission Confusion

What happened: Over the weekend, the Centers for Disease Control and Prevention (CDC) published guidance on its website that suggested that the virus that causes Covid-19 is mainly spread through the air. The agency’s site said that the virus is spread through “respiratory droplets or small particles, such as those in aerosols, produced when an infected person coughs, sneezes, sings, talks, or breathes.” The particles can be inhaled, and the agency said “this is thought to be the main way the virus spreads.” However, on Monday, these changes were…



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Alexandra Sifferlin

Health and science journalist. Former editor of Medium’s Covid-19 Blog and deputy editor at Elemental. TIME Magazine writer before that