Whooping cough cases in Anne Arundel hit 10 year high, health department data shows
Whooping cough, also known as pertussis, is a contagious bacterial infection that affects the respiratory tract.
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Oregon's pertussis case numbers highest in more than 50 years
The other counties with the most whooping cough cases were Multnomah, with 235 cases, Clackamas with 135, Washington with 119 ...