Received Nov 18, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMRV | MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD) | MERCK & CO. INC. | UNK | H017885 | — |
| VARCEL | VARICELLA (VARIVAX) | MERCK & CO. INC. | UNK | Unknown | — |
and has also had pertussis in the last 6-12 months; patient that has an active shingles infection (diagnosed/PCR positive on 10/23/2025); PROQUAD (administered 4/4/2023, lot H017885), expiration date validated as: 2014-04-01; This spontaneous report was received from a physician (dermatologist) and refers to a 17-year-old male patient. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On 16-JUN-2009, the patient was vaccinated with Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX), injection 0.5 mL, lot #0336Y [which has been verified to be an invalid lot number for Varicella Virus Vaccine Live (Oka-Merck)] (expiration date was not provided) and on 04-APR-2023, he was vaccinated with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), injection 0.5 mL, lot number H017885 [which has been verified to be a valid lot number for Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live], expiration date not reported but upon internal validation establish as 01-APR-2014 (expired product administered), both of them administered for prophylaxis (strength, dose numbers, vaccination schedules, routes and anatomical sites of administration were not provided). Both vaccines were reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT), (lot # and expiration date were not reported). On an unknown date (reported as in the last 6-12 months), the patient experienced pertussis and on 23-OCT-2025, the patient also experienced shingles infection (diagnosed/PCR positive on the same date). Otherwise, the rest of his medical history was "uneventful and pretty normal". At the time of the report (reported as currently), the patient was being treated with valacyclovir (VALTREX), and he was responding to treatment. In addition, the outcome of the events was unknown. The causal relationship between the events and Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live and Varicella Virus Vaccine Live (Oka-Merck), both reconstituted with sterile diluent, was not provided. Upon internal review, the event of pertussis was determined to be medically significant.
Sterile diluent
Test Date: 20251023; Test Name: PCR (shingles); Test Result: Positive