Pertussis: What to know about the whooping cough, including symptoms, treatments and DTap/Tdap vaccination options

For the second year in a row, the US has surpassed 25,000 whooping cough cases — another sign of the risks of falling vaccination levels. Often called the “100-day cough,” whooping cough or pertussis begins with cold-like symptoms such as runny nose,... [8845 chars]