A rare, drug-resistant flu variant has been found in at least two people in the United States.
A recent report from the Centers for Disease Control and Prevention said the flu variant has two mutations that could lessen the effectiveness of certain medications, like Tamiflu.
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The CDC said cases of the “dual mutant” flu variant were detected in 15 countries across five continents.
Experts believe the dual mutant flu variant is low-risk because it only appears in 1% of samples collected between May 2023 and February 2024.
Lab tests show that various antiviral medications remain effective, and the flu shot should provide a strong defense, the agency said.