Received Jul 3, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| VARCEL | VARICELLA (VARIVAX) | MERCK & CO. INC. | 2 | — | — |
Pharmacist calling with a report of an adverse event regarding VARIVAX. Pharmacist stated that an adult, male patient came to their Pharmacy with a question on receiving a booster vaccination of VARIVAX after they were found to have low titers of th; This spontaneous report was received from a pharmacist and refers to a adult male patient. The patient's medical history was not reported. The patient's concurrent conditions were not reported. Concomitant therapies were not reported. On an unknown date, the patient started therapy with Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX), dose number 2, 0.5 mL (lot # and expiration date were not reported) that was reconstituted with sterile diluent (MERCK STERILE DILUENT) and administered as varicella vaccination. On an unknown date, the patient experienced low titers of the vaccine (Viral titre decreased). At the reporting time, the outcome of the event was unknown. The causal relationship between the event and the vaccine was not provided.
Sterile diluent