Whooping cough has been on the rise in the U.S. for years—and cases are continuing to soar in 2025. Meanwhile, fewer Americans are getting vaccinated against it. Here’s what to know about the ...

John Schieffelin has never seen another illness like pertussis. Also known as whooping cough, it’s a contagious respiratory illness that can develop into a painful, full-body cough. The coughing ...