"When cold weather occurs, people tend to congregate indoors, in more crowded environments, making it easier for germs to spread," he said. What's more, some viruses can survive better in the cold, ...

As of Jan. 20, the CDC reports that RSV activity has peaked in most of the U.S., particularly among young children—a group ...

Metro Phoenix and swaths of Phoenix were under a freeze warning through Wednesday. Here's how cold it could get, maps of ...

Walking, or atypical, pneumonia, is a mild form of pneumonia that often resembles a cold. You may not have a high fever and ...