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Merck Seeks Expanded Label for RSV Shot Enflonsia

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Merck & Co., Inc. (MRK) has submitted an application to the FDA to expand the label of its RSV shot, Enflonsia.

The therapy is designed to protect infants from respiratory syncytial virus and was previously approved by the FDA.

The company's bid for a label expansion is currently under review, with a target action date set for March 22, 2027.

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