R0 R0
Stories About


The number of people that one sick person will infect (on average) is called R0. Here are the maximum R0 values for a few viruses. NPR hide caption

toggle caption

The Delta Variant Isn't As Contagious As Chickenpox. But It's Still Highly Contagious

  • Download
  • <iframe src="https://www.npr.org/player/embed/1026190062/1026628965" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript