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Report #2890732

Received Mar 25, 2026

A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer

Overview

Sex
Male
Age
Age unknown
State
KY
Recovered
Unknown
Vaccinated
Oct 25, 2024
Onset
Days to onset
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
SMALLMNKSMALLPOX + MONKEYPOX (JYNNEOS)BAVARIAN NORDIC1Unknown

Symptoms (1)

Incomplete course of vaccination

Symptom narrative

The patients had not come in for their second dose yet; Case reference number US-BN-2025-000016 is a spontaneous case report initially received from a pharmacist via Communication (reference number: USBAV25-0028) on 06-Jan-2025 and concerns two male patients of unspecified age (MULTI 2). The patient's relevant medical history and concomitant medications were not provided. On 25-Oct-2024, the second patient was vaccinated with the first dose of Jynneos vaccine (batch number: unknown) at an unknown dose, route, or site of administration for unknown indication. On 28-Oct-2024, the first patient was vaccinated with the first dose of Jynneos vaccine (batch number: unknown) at an unknown dose, route, or site of administration for unknown indication. As reported, the patients had not come in for their second dose of Jynneos yet (explicitly coded as 'incomplete course of vaccination'). At the time of the initial report, it was unknown if the patients experienced any adverse events due to Jynneos vaccine. Additional information received from pharmacist via Med Communications (reference number: USBAV25-0029) on 08-Jan-2025: Information included reference number and confirmation there was two male patients. Non-significant case correction received from VAERS on 14-Feb-2025 included new reference number. Administrative update performed within the case: Worldwide Unique Case Identification Number (WWID) updated from US-20250106-f17299 to US-BAVARIAN NORDIC A/S-US-BN-2025-000016, in accordance with ICH guidance on WWID formatting.; Reporter's Comments: Two male patients of unspecified age did not receive the second dose of Jynneos yet in Jan-2025, after they were vaccinated with the first dose in Oct-2024, which is considered as incomplete course of vaccination. It was unknown if the patients experienced any adverse events due to Jynneos vaccine. Incomplete course of vaccination is considered as listed per company convention. The patient's medical history and concomitant medication details were not provided. Incomplete course of vaccination is not related to the suspect vaccine, but to a human factor. This case is considered as non-serious.; Sender's Comments: Two male patients of unspecified age did not receive the second dose of Jynneos yet in Jan-2025, after they were vaccinated with the first dose in Oct-2024, which is considered as incomplete course of vaccination. It was unknown if the patients experienced any adverse events due to Jynneos vaccine. Incomplete course of vaccination is considered as listed per company convention. The patient's medical history and concomitant medication details were not provided. Incomplete course of vaccination is not related to the suspect vaccine, but to a human factor. This case is considered as non-serious.

Medical history

Comments: None.