Flu Season Isn’t Over Yet — and More Serious Strains Are On the Rise, CDC Says

Flu season has been relatively mild in the U.S. this year. But even though it's late in the season — flu activity tends to wrap up by May — influenza viruses are still circulating, according to a recent health alert from the Centers for Disease Control and Prevention (CDC).

Flu season has been relatively mild in the U.S. this year. But even though it's late in the season — flu activity tends to wrap up by May — influenza viruses are still circulating, according to a recent health alert from the Centers for Disease Control and Prevention (CDC).