Sniffling, sneezing, coughing: What infectious disease do you have?

With many viruses now on the rise, it can be hard to know which illness you have and how to handle it. A doctor helps you to decide.

​ With many viruses now on the rise, it can be hard to know which illness you have and how to handle it. A doctor helps you to decide. Read More Breaking News, Latest News and Videos | CNN