Received Feb 27, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| FLUN3 | INFLUENZA (SEASONAL) (FLUMIST) | MEDIMMUNE VACCINES, INC. | UNK | Unknown | — |
MISSED FIRST DOSE AS MEDICATION WAS ORDERED IN DEC2025,; THEN PATIENT GOT THE FLU SO CAREGIVER HELD OFF ON GIVING THE MEDICATION FOR 2 WEEKS AS ADVISED AND THEN CAREGIVER FORGOT TO GIVE THE MEDICATION UNTIL TODAY AND MEDICATION IS NOW EXPIRED; A spontaneous report has been received from a consumer. The report concerns a patient of unknown gender (age not provided). No medical history was reported. No concomitant products were reported. The patient received Flumist (batch number(s) Unknown) (expiration date(s) 02-FEB-2026), via unknown on an unknown date. The patient received 1 dose(s). During FEB-2026, the patient experienced then patient got the flu so caregiver held off on giving the medication for 2 weeks as advised and then caregiver forgot to give the medication until today and medication is now expired (preferred term: Influenza) and missed first dose as medication was ordered in dec2025, (preferred term: Product dose omission issue). The report described a medication error for Flumist. The reported term was missed first dose as medication was ordered in dec2025, (preferred term: Product dose omission issue). The outcome of the event(s) of missed first dose as medication was ordered in dec2025, and then patient got the flu so caregiver held off on giving the medication for 2 weeks as advised and then caregiver forgot to give the medication until today and medication is now expired was unknown. The events were considered non-serious. The reporter did not consider that there was a reasonable possibility of a causal relationship between Flumist and the following event(s): missed first dose as medication was ordered in dec2025,,then patient got the flu so caregiver held off on giving the medication for 2 weeks as advised and then caregiver forgot to give the medication until today and medication is now expired. Device Information: Combination Product Report: Yes Product As Reported: Flumist Brand Name: FLUMIST Product Role:Suspect Device Problem code:A24 - Adverse Event Without Identified Device or Use Problem Manufacturer Name:ASTRAZENECA Labeled for single use:No