Rt: Effective Reproduction Number

archived 21 Apr 2020 20:10:55 UTC

Rt Covid-19

These are up-to-date values for Rt, a key measure of how fast the virus is growing. It’s the average number of people who become infected by an infectious person. If Rt is above 1.0, the virus will spread quickly. When Rt is below 1.0, the virus will stop spreading. Learn More.
Data Last Updated: 4/21 at 3:56AM
Effective Reproduction (Rt)-1.5-1-0.500.511.522.533.5IDMIMEMTAKCASDNYVTWYTXOKMOGAHIMAPASCNVAZALILORNHNMFLTNLAINNJ
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