It's a respiratory illness that may start out like a cold. But pertussis, also known as whooping cough, can last for weeks or months.

GREEN BAY - The spread of respiratory illness is on the rise in northeastern Wisconsin as cases of RSV, COVID-19, and the flu ...

But that’s not always how serious illness plays out. Children who need to be on ventilators, have tracheostomies or ...

California is experiencing an increase in cases of whooping cough (also known as pertussis), a highly contagious bacterial ...