In an NBC News data investigation of 31 states, about 70% of counties and jurisdictions fell below the target vaccination ...

Pertussis, also known as whooping cough, is caused by a type of bacteria called Bordetella pertussis. It starts out like a ...

Cases of whooping cough, also known as pertussis, are on the rise, according to new data from the Centers for Disease Control and Prevention. Approximately 17,579 whooping cough cases, with the ...

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 ...

California’s worst episode of whooping cough, or pertussis, in 2010, likely spread among unvaccinated children to infect 9,210 youngsters. At first, the outbreak was blamed on waning immunity to the ...