Age: 1.0
Sex: F
Vaccine: MMRV, VARCEL
Symptoms: Extra dose administered, No adverse event
Clinical narrative: Nurse calling to report the inadvertent administration of PROQUAD and VARIVAX to 15 month old patient on the same day.  No symptoms reported as of now and no additional details provided.  This agent is filing a full AE, as the patient and parents hav; Nurse calling to report the inadvertent administration of PROQUAD and VARIVAX to 15 month old patient on the same day. No symptoms reported as of now and no additional details provided. This agent is filing a full AE, as the patient and parents hav; No  symptoms reported as of now and no additional details provided.; Information has been received from Business Partner/CRO on 20-Feb-2025.  This spontaneous report was received from a/an Nurse and refers to a(n) 1-year-old female patient.   The patient's medical history included Patient had the Flu recently. The patient's concurrent conditions were not reported. Concomitant therapies were not reported.   On 20-Feb-2025, the patient started therapy with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), (lot #Y017206, expiration date: 13-Apr-2026).  On 20-Feb-2025, the patient started therapy with Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX  REFRIGERATOR STABLE), (lot #Y015101, expiration date: 06-Sep-2026). On 20-Feb-2025, the patient started therapy with sterile diluent (MERCK STERILE DILUENT), (indication, expiration date, and lot # were not reported). The patient started therapy with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), for the treatment of Prophylaxis.  The patient started therapy with Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX  REFRIGERATOR STABLE), for the treatment of prophylaxis.  On 20-Feb-2025, the patient experienced Nurse calling to report the inadvertent administration of PROQUAD and VARIVAX to 15 month old patient on the same day.  No symptoms reported as of now and no additional details provided.  This agent is filing a full AE, as the patient and parents hav. On 20-Feb-2025, the patient experienced Nurse calling to report the inadvertent administration of PROQUAD and VARIVAX to 15 month old patient on the same day. No symptoms reported as of now and no additional details provided. This agent is filing a full AE, as the patient and parents hav. On 20-Feb-2025, the patient experienced No  symptoms reported as of now and no additional details provided..   At the reporting time, the outcome of Nurse calling to report the inadvertent administration of PROQUAD and VARIVAX to 15 month old patient on the same day.  No symptoms reported as of now and no additional details provided.  This agent is filing a full AE, as the patient and parents hav, Nurse calling to report the inadvertent administration of PROQUAD and VARIVAX to 15 month old patient on the same day. No symptoms reported as of now and no additional details provided. This agent is filing a full AE, as the patient and parents hav and No  symptoms reported as of now and no additional details provided. was unknown.   The action taken with sterile diluent. nMeasles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live and Varicella Virus Vaccine Live (Oka-Merck) was reported as not applicable.