Case Count Maps

Final Update

Posted June 28, 2018 3:30 PM EST

This outbreak appears to be over. E. coli is an important cause of illness in the United States. More information about E. coli, and steps people can take to reduce their risk of infection, can be found on the E. coli and Food Safety web page.

June 28, 2018 Map

People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of June 27, 2018 (n=210)

Map of United States - People infected with the outbreak strain of E. coli, by state of residence, as of June 27, 2018

Table showing the number of ill people arranged by state of residence.
State Ill People
Alabama 3
Alaska 8
Arkansas 1
Arizona 9
California 49
Colorado 3
Connecticut 2
Florida 3
Georgia 5
Idaho 12
Illinois 2
Iowa 1
Kentucky 1
Louisiana 1
Massachusetts 4
Michigan 5
Minnesota 12
Mississippi 1
Missouri 1
Montana 9
Nebraska 1
New Jersey 8
New York 11
North Carolina 1
North Dakota 3
Ohio 7
Oklahoma 1
Oregon 1
Pennsylvania 24
South Dakota 1
Tennessee 3
Texas 4
Utah 1
Virginia 1
Washington 8
Wisconsin 3
Total 210

Previous Case Count Maps

People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of May 30, 2018 (n=197)

Map of United States - People infected with the outbreak strain of E. coli, by state of residence, as of May 31, 2018

Table showing the number of ill people arranged by state of residence.
State Ill People
Alaska 8
Arkansas 1
Arizona 9
California 45
Colorado 3
Connecticut 2
Florida 1
Georgia 5
Idaho 11
Illinois 2
Iowa 1
Kentucky 1
Louisiana 1
Massachusetts 4
Michigan 5
Minnesota 12
Mississippi 1
Missouri 1
Montana 9
Nebraska 1
New Jersey 8
New York 10
North Carolina 1
North Dakota 3
Ohio 7
Oklahoma 1
Oregon 1
Pennsylvania 24
South Dakota 1
Tennessee 3
Texas 3
Utah 1
Virginia 1
Washington 7
Wisconsin 3
Total 197

People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of May 15, 2018 (n=172)

Map of United States - People infected with the outbreak strain of E. coli, by state of residence, as of May 15, 2018

Table showing the number of ill people arranged by state of residence.
State Ill People
Alaska 8
Arizona 8
California 39
Colorado 3
Connecticut 2
Florida 1
Georgia 4
Idaho 11
Illinois 2
Iowa 1
Kentucky 1
Louisiana 1
Massachusetts 3
Michigan 5
Minnesota 12
Mississippi 1
Missouri 1
Montana 8
Nebraska 1
New Jersey 8
New York 5
North Dakota 2
Ohio 6
Oregon 1
Pennsylvania 21
South Dakota 1
Tennessee 3
Texas 1
Utah 1
Virginia 1
Washington 7
Wisconsin 3
Total 172

People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of May 8, 2018 (n=149)

Map of United States - People infected with the outbreak strain of E. coli, by state of residence, as of May 8, 2018

 

Table showing the number of ill people arranged by state of residence.
State Ill People
Alaska 8
Arizona 8
California 30
Colorado 2
Connecticut 2
Florida 1
Georgia 5
Idaho 11
Illinois 2
Kentucky 1
Louisiana 1
Massachusetts 3
Michigan 4
Minnesota 10
Mississippi 1
Missouri 1
Montana 8
New Jersey 8
New York 4
North Dakota 2
Ohio 3
Pennsylvania 20
South Dakota 1
Tennessee 1
Texas 1
Utah 1
Virginia 1
Washington 7
Wisconsin 2
Total 149

People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of May 1, 2018 (n=121)

Map of United States - People infected with the outbreak strain of E. coli, by state of residence, as of May 1, 2018

 

Table showing the number of ill people arranged by state of residence.
State Ill People
Alaska 8
Arizona 8
California 24
Colorado 2
Connecticut 2
Georgia 4
Idaho 11
Illinois 1
Kentucky 1
Louisiana 1
Massachusetts 2
Michigan 4
Mississippi 1
Missouri 1
Montana 8
New Jersey 7
New York 2
Ohio 3
Pennsylvania 20
South Dakota 1
Tennessee 1
Utah 1
Virginia 1
Washington 6
Wisconsin 1
Total 121

People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of April 26, 2018 (n=98)

Map of United States - People infected with the outbreak strain of E. coli, by state of residence, as of April 26, 2018

 

Table showing the number of ill people arranged by state of residence.
State Ill People
Alaska 8
Arizona 5
California 16
Colorado 2
Connecticut 2
Georgia 1
Idaho 10
Illinois 1
Louisiana 1
Michigan 3
Mississippi 1
Missouri 1
Montana 8
New Jersey 7
New York 2
Ohio 3
Pennsylvania 18
South Dakota 1
Tennessee 1
Virginia 1
Washington 5
Wisconsin 1
Total 98

People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of April 24, 2018 (n=84)

Map of United States - People infected with the outbreak strain of E. coli, by state of residence, as of April 24, 2018

 

Table showing the number of ill people arranged by state of residence.
State Ill People
Alaska 5
Arizona 5
California 13
Colorado 2
Connecticut 2
Georgia 1
Idaho 10
Illinois 1
Louisiana 1
Michigan 2
Missouri 1
Montana 7
New Jersey 7
New York 2
Ohio 3
Pennsylvania 18
South Dakota 1
Virginia 1
Washington 2
Total 84

People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of April 18, 2018 (n=53)

Map of United States - People infected with the outbreak strain of E. coli, by state of residence, as of April 18, 2018

 

Table showing the number of ill people arranged by state of residence.
State Ill People
Alaska 1
Arizona 3
California 1
Connecticut 2
Idaho 10
Illinois 1
Louisiana 1
Michigan 2
Missouri 1
Montana 6
New Jersey 7
New York 2
Ohio 2
Pennsylvania 12
Virginia 1
Washington 1
Total 53

People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of April 12, 2018 (n=35)

Map of United States - People infected with the outbreak strain of E. coli, by state of residence, as of April 12, 2018

 

Table showing the number of ill people arranged by state of residence.
State Ill People
Connecticut 2
Idaho 8
Illinois 1
Michigan 1
Missouri 1
New Jersey 7
New York 2
Ohio 2
Pennsylvania 9
Virginia 1
Washington 1
Total 35

People infected with the outbreak strain of E. coli O157:H7, by state of residence, as of April 9, 2018 (n=17)

Map of United States - People infected with the outbreak strain of E. coli, by state of residence, as of April 9, 2018

 

Table showing the number of ill people arranged by state of residence.
State Ill People
Connecticut 2
Idaho 4
Missouri 1
New Jersey 6
Ohio 1
Pennsylvania 2
Washington 1
Total 17