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.

Fact checked by Nick Blackmer Despite a temporary freeze on public communications, the Centers for Disease Control and Prevention (CDC) still released weekly updates on respiratory illnesses. Cases of respiratory syncytial virus (RSV) have peaked and are beginning to decline in many areas of the United States,

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.