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 is, the worse the spread.
Editor’s note: Due to ties, lists may not end on No. 7.
Seven states with fastest spread of COVID-19
1. Maine — 1.01
2. Minnesota — 1.00
3. North Dakota — 0.98
4. Utah — 0.96
Wisconsin — 0.96
5. Maryland — 0.95
Wyoming — 0.95
6. Mississippi — 0.93
Seven states with slowest spread of COVID-19
1. Montana — 0.59
2. Alaska — 0.69
3. Hawaii — 0.70
4. Vermont — 0.73
5. Georgia — 0.77
Missouri — 0.77
6. Louisiana — 0.78
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