MTPR

pertussis

Montana Department of Public Health and Human Services

Montana now has 12 times as many confirmed pertussis cases than at this time last year.

That’s according to the latest state Health Department report showing there are more than 440 reported pertussis – or whooping cough – cases in Montana. That compares to 37 cases at this time last year.

This graph illustrates the number of pertussis cases reported to CDC from 1922 to 2017. Following the introduction of pertussis vaccines in the 1940s when case counts frequently exceeded 100,000 cases per year, reports declined dramatically to fewer than
Centers For Disease Control (PD)

Whooping cough continues to be a problem in Missoula County, but local health officials think the worst may finally be behind them.

As of Tuesday, a total of 141 whooping cough – also known as pertussis – cases have been reported in Missoula County since the outbreak started back in mid-April.

Health officials have now confirmed 92 whooping cough cases in the Missoula area.
iStock.

Health officials have now confirmed 92 whooping cough cases in the Missoula area.

"This is definitely the biggest outbreak that I have seen in my decade plus of working in public health," says Cindy Farr, Missoula City-County Health Department Infectious Disease Office supervisor.

Pertussis cases by Montana county, 05-05-19
Montana Department of Public Health and Human Services

There are more than 170 reported cases of whooping cough in Montana. State health officials say local outbreaks in parts of western Montana are driving the recent uptick.

The Department of Public Health and Human Services (DPHHS) reports recent outbreaks of whooping cough in Missoula, Flathead and Lake counties.

Pertussis progression.
Centers For Disease Control (PD)

Missoula County health officials are investigating an outbreak of whooping cough that has sickened at least six Missoulians. Local health officials have identified hundreds more who may have been exposed to the contagious respiratory disease.

New Montana Immunization Requirements In Effect This School-Year
(PD)

Kids going back to school this fall may first need to visit the doctor’s office to comply with new immunization requirements.