SAN DIEGO — San Diego health officials are warning about a sharp rise in whooping cough and walking pneumonia cases. Whooping cough, also known as pertussis, is a highly contagious respiratory ...

Doctors and health officials are warning San Diego residents about rising cases of whooping cough and walking pneumonia, especially among young children.

A surge in whooping cough cases in Oregon has prompted state and local health officials to urge residents to get vaccinated.

As whooping cough cases rise in the U.S., a new nasal vaccine developed by Tulane University may hold the key to reducing the spread of the highly contagious respiratory disease.

Spokane kids are getting sick from whooping cough, and health officials warn the outbreak will likely last into the spring. As of Friday, 140 cases of whooping cough, also called pertussis, have been ...