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Report #2884027

Received Feb 4, 2026

Hospitalized
A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer

Overview

Sex
Female
Age
1 yrs
State
—
Recovered
Recovered
Vaccinated
Jul 31, 2025
Onset
Oct 31, 2025
Days to onset
92
Hospital days
4

Vaccines (4)

TypeNameManufacturerDoseLotRoute / Site
HEPAHEP A (NO BRAND NAME)UNKNOWN MANUFACTURER1UNKIM / RL
MMRMEASLES + MUMPS + RUBELLA (NO BRAND NAME)UNKNOWN MANUFACTURER1UNKSC / RA
PNC13PNEUMO (PREVNAR13)PFIZER\WYETH1UNKIM / LL
VARCELVARICELLA (NO BRAND NAME)UNKNOWN MANUFACTURER1UNKSC / LA

Symptoms (2)

DehydrationStomatitis

Symptom narrative

DEHYDRATION CAUSED BY GINGIVOSTOMATITIS; DEHYDRATION CAUSED BY GINGIVOSTOMATITIS; This 15-month-old female subject was enrolled in a blinded study administered as a first dose to healthy children 12 to 15 months of age. The subject received the 1st dose of Varicella VNS Vs Varivax (subcutaneous, left deltoid) on 31-JUL-2025 11:54, for prophylaxis. The subject received the 1st dose of MMR vaccine (subcutaneous, right deltoid) .5 ml on 31-JUL-2025 11:54, for prophylaxis. The subject received the 1st dose of Hepatitis A vaccine (intramuscular, right thigh) .5 ml on 31-JUL-2025 11:56, for prophylaxis. The subject received the 1st dose of Prevnar 13 (intramuscular, left thigh) .5 ml on 31-JUL-2025 11:56, for prophylaxis. On 31-OCT-2025, 92 days after receiving Varicella VNS Vs Varivax, MMR vaccine, Hepatitis A vaccine and Prevnar 13, the subject developed severe - grade 3 gingivostomatitis (Verbatim: DEHYDRATION CAUSED BY GINGIVOSTOMATITIS). Serious criteria included hospitalization. Additional event(s) included severe - grade 3 dehydration (Verbatim: DEHYDRATION CAUSED BY GINGIVOSTOMATITIS) on 31-OCT-2025 with serious criteria of hospitalization. The subject was treated with aciclovir (Acyclovir), ibuprofen and paracetamol (Acetaminophen). The outcome of gingivostomatitis was resolved on 07-NOV-2025. The outcome(s) of the additional event(s) included dehydration (resolved on 07-NOV-2025). The investigator considered that there was no reasonable possibility that the gingivostomatitis and dehydration may have been caused by Varicella VNS Vs Varivax, MMR vaccine, Hepatitis A vaccine and Prevnar 13. The company considered that there was no reasonable possibility that the gingivostomatitis and dehydration may have been caused by Varicella VNS Vs Varivax, MMR vaccine, Hepatitis A vaccine and Prevnar 13. GSK Receipt Date: 28-Jan-2026 Subject was hospitalized due to dehydration caused by gingivostomatitis.; Sender's Comments: A case of Stomatitis and Dehydration, 92 days after receiving 1st dose of Varicella VNS Vs Varivax, 1st dose of MMR vaccine, 1st dose of Hepatitis A vaccine, 1st dose of Prevnar 13, in a 15-month-old female subject. Based on the available information a?possible causality that the event was caused by the GSK product cannot be ascertained. Further follow up information has been sought.