{"id":1043,"date":"2026-03-05T09:59:30","date_gmt":"2026-03-05T09:59:30","guid":{"rendered":"https:\/\/www.merckvaccines.com\/enflonsia\/?page_id=1043"},"modified":"2026-03-23T08:55:14","modified_gmt":"2026-03-23T08:55:14","slug":"storage-handling","status":"publish","type":"page","link":"https:\/\/www.merckvaccines.com\/enflonsia\/storage-handling\/","title":{"rendered":"Storage & handling"},"content":{"rendered":"\n\n
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ENFLONSIATM<\/sup> (clesrovimab-cfor)<\/span> storage & handling<\/span><\/strong><\/strong><\/strong><\/mark><\/h1>

A 30-month shelf life from date of manufacture when following storage instructions below<\/mark>1<\/mark><\/sup><\/p>

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Purchased ENFLONSIA doses may be used for the next RSV season for infants entering their first RSV season.<\/h2><\/div>\n\n\n\n

Before storing for next season, it is important to check the expiration date to ensure the product won’t expire during off season storage.<\/p>\n\n\n\n

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Storage & handling<\/h2><\/div>\n\n\n\n
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  • Store prefilled syringes under refrigeration at 36\u00b0F to 46\u00b0F (2\u00b0C to 8\u00b0C)<\/li>\n\n\n\n
  • Keep the prefilled syringe in the original carton to protect from light until time of use<\/li>\n\n\n\n
  • ENFLONSIA may be kept at room temperature between 68\u00b0F to 77\u00b0F (20\u00b0C to 25\u00b0C) for a maximum of 48 hours <\/li>\n\n\n\n
  • After removal from the refrigerator, ENFLONSIA must be used within 48 hours or discarded<\/li>\n\n\n\n
  • Do not freeze. Do not shake<\/li>\n\n\n\n
  • 30-month shelf life1<\/sup><\/li>\n\n\n\n
  • Package dimensions: Pack of 1: 44 x 105 x 29 mm, Pack of 10: 105 x 133 x 41 mm<\/li>\n<\/ul>\n<\/div>\n\n\n\n
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    Single doses available!<\/strong><\/p><\/div><\/div>\n\n\n\n

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