Nearly half of this year's cases were among people who had never received a dose of whooping cough vaccines, Oregon officials ...

Oregon is expected to surpass its record of 910 pertussis cases by the end of 2024, prompting state health officials to ...

Whooping cough is caused by a bacteria, Bordetella pertussis, which can spread from person to person through the air via ...

Washington state is experiencing a spike in whooping cough cases with nearly 1,200 reported cases so far this year, that's up ...

The number of pertussis, or whooping cough, cases in Oregon are on track to hit an all-time high by the end of the year, state officials said Thursday. The spike comes as vaccinations have dipped, ...

Health officials in Washington state are alerting residents to a sharp rise in cases of pertussis, also known as whooping cough.

Oregon health officials are alarmed over the state's rising pertussis case count, which is expected to beat the state's ...

With the holidays right around the corner, Valley medical experts say now is the best time to get vaccinated for the flu and ...

Madison County is the latest in the state to warn the public of an increase in cases of pertussis, also known as whooping ...

Whooping cough, or pertussis, is on the rise in the Bay Area, California and across the U.S. It's a bacterial infection known for severe coughing fits. Nationally, vaccination rates for pertussis have ...

VANCOUVER, Wash. (KATU) — According to medical officials, 406 Clark County residents were diagnosed with whooping cough in ...

Arizona experiences highest Pertussis cases since 2015, with 563 infections; health officials emphasize vaccination.