Tamiflu-Resistant Influenza Strains Emerge in US: CDC

Strains are more resistant to the common flu treatment.

The U.S. Centers for Disease Control and Prevention (CDC) headquarters in Atlanta, Ga., on Aug. 25, 2023. Madalina Vasiliu/The Epoch Times

Several strains of influenza A H1N1 that are more resistant to a primary flu drug have emerged in the United States, scientists with the U.S. Centers for Disease Control and Prevention (CDC) have reported.

The strains, which contain mutations called I223V and S247N, have been detected in countries across five continents, including the United States.