Cases of walking pneumonia are spiking across the U.S., according to the CDC. Dr. Marc Siegel speaks with Fox News Digital about common sources, symptoms and treatments.

Coughing, sneezing and wheezing. Sound familiar? You’re not alone. A lot of people are suffering from allergies even more now ...

Kevin Stetter has experienced the typical seasonal cough, chills, runny nose and headache for the past six days.  Stetter ...

Updated vaccines, proper hygiene and staying home when you're sick can help prevent the spread of respiratory illnesses this ...

Concerns about legionella bacteria prompted the closure of four Maryland state office buildings, 11 News Investigates has ...