Get the latest Science News and Discoveries

COVID-19 is most transmissible 2 days before and 3 days after symptoms appear


None

Get the Android app

Or read this on ScienceDaily

Read more on:

Photo of COVID

COVID

Photo of Symptoms

Symptoms

Related news:

News photo

Secrets of COVID-19 transmission revealed in turbulent puffs

News photo

One in three Americans had COVID-19 by the end of 2020, study estimates

News photo

How COVID, Inequality and Politics Make a Vicious Syndemic