Measured by the average number of people who become sick from an infectious person, the site tracks the effective reproduction rate (Rt) of COVID-19 infections. If the value is less than one, the spread of the disease is slowing. The higher the Rt number, the worse the spread.
Editor’s note: This list contains ties and reflects the latest update, which was made at 11:23 a.m. June 3.
Nine states with fastest spread of COVID-19
1. North Carolina — 1.38
2. Georgia — 1.14
3. Montana — 1.09
4. Washington — 1.07
5. Utah — 1.04
6. Alabama — 1.03
Maine — 1.03
South Carolina — 1.03
Texas — 1.03
Nine states with slowest spread of COVID-19
1. Alaska — 0.62
2. Hawaii — 0.70
3. Vermont — 0.73
4. New York — 0.78
5. New Jersey — 0.83
6. Connecticut — 0.84
South Dakota — 0.84
7. Delaware — 0.86
8. Missouri — 0.87
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COVID-19 activity by region: Where cases are rising, falling
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For many black men, fear of wearing a mask outweighs COVID-19 risks
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