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 ...

MCHENRY COUNTY, Ill. — Whooping cough cases have spiked in the suburbs of McHenry County, its Department of Health announced ...

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, ...

Pertussis, also known as whooping cough, is a “highly contagious acute respiratory illness” that starts with mild symptoms, ...

Cases of whooping cough have emerged at Loveland Elementary, Oak Hills High, and UC. Data shows that the illness is returning ...

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

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

Public health officials Thursday reported a marked increase in the number of pertussis — or whooping cough — cases this year ...

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 ...

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