is stressing the importance of getting vaccinated for pertussis as cases continue to be identified in Cass County. Since January 2024, there have been 41 reported cases of pertussis in Cass County.

Background: Between September and December 2003, an outbreak of pertussis occurred in Cass County, MO, mostly among adolescent school children. Methods: We conducted a 1:2 matched case-control ...

Since November, there have been a total of 29 cases of pertussis in Cass County. Typically, the county sees about five to eight cases on average each year. Whooping cough, also known as pertussis ...

We conducted a 1:2 matched case-control study to examine the risk of pertussis in relation to various aspects of vaccine administration. A case was a school student in Cass County who attended ...