Received Mar 24, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| SMALLMNK | SMALLPOX + MONKEYPOX (JYNNEOS) | BAVARIAN NORDIC | 2 | Unknown | — |
Patient accidently received the second dose of Jynneos one week early; Case reference number US-BN-2024-002478 is a spontaneous case initially received from a nurse via agency (reference number: USBAV24-2339) on 11-Sep-2024 and concerns a patient of unknown demographics. The patient's medical history and concomitant medication details were not provided. On an unspecified date, the patient was vaccinated with the first dose of Jynneos (batch number: unknown), at an unknown dose, route, and site of administration for protection against monkeypox. On 11-Sep-2024, reported as one week early, the patient was vaccinated with the second dose of Jynneos (batch number: unknown), at an unknown dose, route and site of administration (explicitly coded as 'inappropriate schedule of vaccine administered'). At the time of the initial report, it was unknown if the patient experienced any adverse events due to Jynneos. Non-significant case correction identified on 04-Nov-2024 included: new reference number. Administrative update performed within the case: Worldwide Unique Case Identification Number (WWID) updated from US-20240911-878d9b to US-BAVARIAN NORDIC A/S-US-BN-2024-002478, in accordance with guidance on WWID formatting.; Reporter's Comments: A patient of unknown demographics was vaccinated with the second dose of Jynneos for protection against monkeypox, reported as one week early, which is considered as inappropriate schedule of vaccine administered. It was unknown if the patient experienced any adverse events due to Jynneos. Inappropriate schedule of product administration is considered as listed per company convention. The patient's medical history and concomitant medication details were not provided. Inappropriate schedule of product administration is not related to the suspect vaccine, but to a human factor. This case is considered as non-serious.; Sender's Comments: A patient of unknown demographics was vaccinated with the second dose of Jynneos for protection against monkeypox, reported as one week early, which is considered as inappropriate schedule of vaccine administered. It was unknown if the patient experienced any adverse events due to Jynneos. Inappropriate schedule of product administration is considered as listed per company convention. The patient's medical history and concomitant medication details were not provided. Inappropriate schedule of product administration is not related to the suspect vaccine, but to a human factor. This case is considered as non-serious.
Comments: None.