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These are up-to-date values for R[SUB]t[/SUB], 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 R[SUB]t[/SUB] is above 1.0, the virus will spread quickly. When R[SUB]t[/SUB] is below 1.0, the virus will stop spreading. Learn More.
4/26 model update: new R[SUB]t[/SUB] graphs reflect corrections for the amount of testing done over time in any given state. An increase or decrease in testing should not affect accuracy of R[SUB]t[/SUB] values in the future. This correction has significantly improved R[SUB]t[/SUB] values in most states.
