The United States is seeing a second peak in flu cases this season. After doctor’s office visits for flu dipped early this year, they jumped past the previous season peak at the end of last month, with a 30% test positivity rate — and there are still months to go.

Does it feel like you know a lot of people fighting the flu virus this winter? The Centers for Disease Control and Prevention said flu activity remains high and continues to increase around the country.

For a second time this season, at least 41 states are reporting high or very high levels of the flu. Here's how to stay safe.

The United States is seeing a second peak in flu cases this season. After doctor’s office visits for flu dipped early this year, they jumped past the previous season peak at the end of last month, with a 30% test positivity rate — and there are still months to go.