SAN DIEGO, CA — The number of pertussis cases, also known as whooping cough, are on the rise in San Diego County.

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

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

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

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, ...

As the Texas weather cools, you may be hearing more coughs due to an increase in whooping cough disease, according to Texas ...

HUNTINGTON, W.Va. (WSAZ) - Whooping cough cases are on the rise, according to the Centers for Disease Control and Prevention, ...

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

Yukon says its Communicable Disease Control and the territory’s chief medical officer have confirmed a case of whooping cough ...

Symptoms of whooping cough typically start five to 10 days after exposure but can take up to 21 days to develop. After a slight fever and cough, the cough gets worse and symptoms ...

Public health officials are tracking a surge of Whooping Cough cases across the country, impacting mostly small children.

A whooping cough outbreak is currently making its way across the Inland Northwest, leaving many families worried about ...