Unlike short-term bugs, asthma is a chronic, inflammatory condition. In children who have it, their airways swell and narrow ...

Pertussis, or whooping cough, is a bacterial respiratory infection. Initial symptoms resemble a cold but progress to intense coughing fits that can last for weeks. If infected, young babies are at ...

A new flu variant fueling a fast-paced rise in cases across the state has brought with it some symptoms unlike those many have come to associate with the virus. As cases reach "very high" levels, a ...

This 2016 illustration provided by the Centers for Disease Control and Prevention, based on electron microscope imagery, depicts Bordetella pertussis bacteria, which causes whooping cough. It’s highly ...