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

Washington state officials warned of a "sharp increase" in whooping cough cases compared to this time last year, mirroring a ...

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

Approximately 130 confirmed cases of whooping cough (pertussis) have been recorded each day on average in 2024, according to ...

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

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

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