Whooping cough cases are rising across the country, with the CDC reporting a nearly 270% increase in Colorado between 2023 ...

Doctors said walking pneumonia cases are high here in Colorado ... an infectious diseases physician with Denver Health. But while flu and RSV are just starting to spread, Dr. Kevin Messacar ...

Colorado has experienced a surge in walking pneumonia this fall, most notably among very young children who aren’t usually as susceptible to the illness, according to health officials.