Received Jul 7, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| YF | YELLOW FEVER (YF-VAX) | SANOFI PASTEUR | UNK | — | — |
developed an anaphylactic reaction; Initial information received on 24-Jun-2026 regarding an unsolicited valid serious case received from a physician. This case involves a patient of unknown age and unknown gender who developed an anaphylactic reaction after receiving yellow fever vaccine. The patient's past medical history, past drugs, vaccination(s), family history, and concomitant medications were not provided. On an unknown date, the patient received an unknown dose of unknown strength, unknown frequency of yellow fever vaccine produced by unknown manufacturer (formulation: unknown; batch/lot number: unknown; expiry date: unknown) (strength: unknown) via unknown route in an unknown administration site for immunization. Information on the batch number was requested corresponding to the one at time of event occurrence. A pediatrician reported that they previously had a kid who was receiving immunotherapy and who developed an anaphylactic reaction (Anaphylactic reaction, onset date: unknown and latency: unknown) after receiving the Yellow Fever vaccine a number of years ago, requiring an intensive care unit (ICU) stay with breathing support. Action taken: Not applicable. Corrective treatment: Breathing support was provided to the patient . Event outcome: anaphylactic reaction was recovered/resolved on an unknown date Seriousness criteria: Medically significant and hospitalization for anaphylactic reaction