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

Mid-October saw the highest case count in Washington so far this year, as the state has seen the sixth-most pertussis cases ...

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

The Oregon Health Authority said that as of Wednesday, the state has seen a total of 827 cases in 23 counties this year. At ...

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

Washington is not alone in its sharp rise of the highly contagious bacterial infection this year. It's been an unusually bad year for whooping cough in the United States, which has counted more than ...

This year could be a decade-high for whooping cough cases in Washington state, according to numbers by the state Department ...

Whooping Cough continues to have higher-than-expected case counts in Grant County and across the state of Washington ...

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

The Washington State Department of Health (DOH) is alerting residents to a significant rise in pertussis cases, also known as ...

Also known as pertussis, the disease poses a particular threat to young babies, and five infants have died from it since 2003 ...

Clark County is experiencing an alarming spike in whooping cough and chickenpox cases among children — outbreaks that health ...