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Report #2876639

Received Dec 5, 2025

HospitalizedER / ED visitOffice visit
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
1.5 yrs
State
CO
Recovered
Recovered
Vaccinated
Dec 2, 2025
Onset
Dec 3, 2025
Days to onset
1
Hospital days
1

Vaccines (4)

TypeNameManufacturerDoseLotRoute / Site
COVID19COVID19 (COVID19 (MODERNA))MODERNAN/A3052995IM / RL
DTAPIPVHIBDTAP + IPV + HIB (PENTACEL)SANOFI PASTEURN/AUK305ABIM / LL
FLU3INFLUENZA (SEASONAL) (FLUZONE)SANOFI PASTEURN/AU8854AAIM / RL
HEPAHEP A (VAQTA)MERCK & CO. INC.N/AY018512IM / LL

Symptoms (19)

ApnoeaBase excess decreasedBlood albumin normalBlood bicarbonate decreasedBlood glucose increasedBlood lactic acid normalBlood pH decreasedBlood potassium normalBlood sodium normalBody temperature increasedCalcium ionised decreasedCarbon dioxide normalFebrile convulsionHaematocrit increasedHaemoglobin increasedLymphocyte count normalPCO2 normalPO2 decreasedVenous oxygen saturation decreased

Symptom narrative

Patient had a complex febrile seizure beginning at approximately 4:45 am lasting longer than 30 minutes. 911 was called and patient was transported to nearest hospital. She kept seizing while en route to hospital. Was given 3 separate doses of Midazolam. Patient had spontaneous respiration during majority of event with brief apnea. Patient hospitalized at [withheld name] Medical Center from 5:56am ? 9:38am then transferred to [withheld} hospital [state withheld] and kept overnight for monitoring and evaluation. Patient released with 5mg of Diazepam to take home for emergency seizure assistance.

Current illness

none

Medical history

None

Other medications

None

Allergies

None

Lab data

**All tests ran on 12/2/2025 at approximately 5:58am pH Venous Blood POCT ? 7.27 pCO2 Venous Blood POCT ? 42 pO2 Venous Blood POCT ? 31 Total CO2, Venous Blood POCT ? 20 Bicarbonate (HCO3),Venous Blood POCT ? 19.2 Venous Base Excess ? (-8) Oxygen Saturation, Venous Blood POCT ? 52 Hemoglobin, Measured, POCT-ISTAT ? 15 Hematocrit POCT ? 44 Sodium POCT ? 139 Potassium POCT ? 4.1 Ionized Calcium POCT ? 1.35 Glucose POCT ? 183 pH Temp Corrected, Venous Blood POCT ? 7.23 pCO2 Temp Corrected, Venous Blood POCT ? 47 pO2 Temp Corrected, Venous Blood POCT ? 38 Corrected temperature ? 103.3 Lactate, Whole Blood ? 5.2 Glucose ? 182 Albumin ? 4.9 Hemoglobin ? 14.4 Hematocrit ? 42.8 Lymphocytes, Absolute ? 2.73