SARS-CoV-2 variant B.1.1.7 case numbers by state U.S. 2021

As of April 10, 2021, there had been 20,915 reported cases of the B.1.1.7 SARS-CoV-2 variant, with Florida accounting for the highest number of cases. SARS-CoV-2 variants act differently than the original disease and therefore may spread more quickly or cause more severe disease. The rise of SARS-CoV-2 variants has become increasingly worrisome in many countries. This statistic shows the number of reported cases of SARS-CoV-2 variant B.1.1.7 - a variant first discovered in the United Kingdom in late December 2020 - in the United States as of April 10, 2021, by state or territory.

Number of reported cases of SARS-CoV-2 variant B.1.1.7 in the United States as of April 10, 2021, by state

Characteristic	Number of cases
Florida	3,510
Michigan	2,262
Minnesota	1,573
Massachusetts	1,100
Colorado	1,041
Georgia	1,022
California	1,001
Pennsylvania	839
Tennessee	812
Connecticut	792
Maryland	665
Ohio	658
New Jersey	627
Illinois	550
Texas	414
Virginia	349
Washington	321
Utah	291
Indiana	263
Iowa	223
New Hampshire	206
South Carolina	197
Nebraska	187
Alabama	186
North Carolina	178
Arizona	152
Kentucky	149
Wisconsin	148
Mississippi	147
West Virginia	142
New York	136
Missouri	110
Nevada	108
Kansas	106
Washington D.C.	56
Vermont	56
Louisiana	51
Delaware	41
New Mexico	40
Idaho	30
Montana	27
Maine	27
Rhode Island	25
Oregon	20
South Dakota	14
Hawaii	13
Puerto Rico	11
Wyoming	9
Oklahoma	9
Arkansas	8
North Dakota	7
Alaska	6

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Release date

April 2021

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Region

United States

Survey time period

as of April 10, 2021

Supplementary notes

Note from source: "The emerging variants CDC is closely monitoring have mutations in the virus genome that alter the characteristics and cause the virus to act differently in ways that are significant to public health (e.g., causes more severe disease, spreads more easily between humans, requires different treatments, changes the effectiveness of current vaccines). It’s important to understand that genetic mutations are expected, and some variants can spread and become predominant while others subside."
"The cases identified are based on a sampling of SARS-CoV-2-positive specimens and do not represent the total number of B.1.1.7, B.1.351, and P.1 lineage cases that may be circulating in the United States and may not match numbers reported by states, territories, tribes, and local officials."

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