Pertussis rate U.S. by state 2018

The states with the highest rates of pertussis include Vermont, Wisconsin, Alaska and Maine. Pertussis is more commonly known as whooping cough. It is a respiratory disease that causes uncontrollable coughing. Whooping cough is highly contagious, but deaths are rare.

Pertussis vaccination

There are two vaccines in the U.S. that help to prevent pertussis. These are the DTaP, for children under 7 years, and the Tdap, for older children, teens and adults. These vaccines are highly recommended, and a majority of children and teens receive them. In 2017, around 83 percent of children aged 19 to 35 months had received the DTaP vaccine.

Pertussis cases

The number of cases of pertussis in the United States have decreased significantly since the introduction of vaccines that prevent the disease. In 1950, there were around 120,700 new cases of pertussis in the U.S., compared to just under 18,000 new cases in 2016. In that year, there were around 5.56 new cases of pertussis per 100,000 population.

Pertussis rate in the United States as of 2018, by state (new cases per 100,000 population)

Characteristic	New cases per 100,000 population
Mississippi	0.2
Nevada	1.2
Louisiana	1.4
West Virginia	1.4
Florida	1.6
District of Columbia	1.6
South Dakota	1.6
Delaware	1.6
Georgia	1.8
Montana	2
Tennessee	2.1
Maryland	2.2
Arkansas	2.3
Virginia	2.7
Connecticut	2.7
South Carolina	2.7
Indiana	2.7
North Carolina	2.9
Massachusetts	3
Alabama	3.6
Wyoming	3.6
Hawaii	3.8
California	3.8
Michigan	4.2
Arizona	4.2
New Hampshire	4.5
Texas	4.6
Oregon	4.7
Oklahoma	4.7
New York	4.9
Idaho	4.9
Iowa	5.1
Kansas	5.5
United States	5.6
North Dakota	5.8
Missouri	5.9
New Jersey	6.3
New Mexico	7.7
Nebraska	8
Illinois	8.1
Washington	8.5
Rhode Island	8.6
Ohio	8.6
Utah	8.7
Kentucky	10.4
Pennsylvania	12.4
Colorado	12.9
Minnesota	18.4
Maine	19.5
Alaska	21.3
Wisconsin	25
Vermont	46.5

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Release date

December 2018

More information

Region

United States

Survey time period

2018

Supplementary notes

The 2017 ranks are based on 2015 data from the Mortality and Morbidity Weekly Report: Summary of Notifiable Infectious Diseases, Centers for Disease Control and Prevention.

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