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Report #2856191

Received Aug 31, 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 yrs
State
CO
Recovered
Recovered
Vaccinated
Aug 25, 2025
Onset
Aug 25, 2025
Days to onset
0
Hospital days
4

Vaccines (5)

TypeNameManufacturerDoseLotRoute / Site
HEPAHEP A (HAVRIX)GLAXOSMITHKLINE BIOLOGICALS1—IM
HIBVHIB (PEDVAXHIB)MERCK & CO. INC.3—IM
MMRMEASLES + MUMPS + RUBELLA (MMR II)MERCK & CO. INC.1—IM
PNC20PNEUMO (PREVNAR20)PFIZER\WYETH4—IM
VARCELVARICELLA (VARIVAX)MERCK & CO. INC.1—IM

Symptoms (37)

Adenovirus test positiveAstheniaBalance disorderBlood albumin normalBlood creatine phosphokinase normalBlood creatinine normalBlood culture negativeC-reactive protein increasedCSF culture negativeCSF glucose normalCSF protein normalCSF white blood cell count negativeChest X-ray normalConjunctivitisCoughCulture urine negativeCyanosisEosinophil count normalFatigueGait disturbanceHaemoglobin normalHypotensionLethargyLiver function test normalMagnetic resonance imaging head normalMagnetic resonance imaging spinal normalMobility decreasedNeutrophiliaPlatelet count normalProcalcitonin increasedPyrexiaScan with contrast normalTranscranial electrical motor evoked potential monitoringTremorUnresponsive to stimuliUrine analysis normalVomiting

Symptom narrative

Monday PM after vaccines lethargic with fever to 104 Tmax rectally and conjunctivitis. Tuesday ongoing fever with unbalanced walking low energy and tired and clingy. Wednesday fatigue progressive with not wanting to walk or move. Has been walking for past 1-2 months. Did have one episode spitting up/emesis. Also developed whole body shakiness that started with one arm and one leg and progressed to whole body shaking. No turning blue, was unresponsive during episode, and parents could not stop the shaking. Poor balance continued. Would not walk or crawl and balance continued to worsen. Thursday ongoing fever with purple hands and feet prompting hospital evaluation. ROS: cough. Denies rhinorrhea, diarrhea, extremity swelling, rash, LAD. Endorse possibly bright pink swollen lips. Since hospitalization, febrile Tmax 40.3C. Hypotensive on arrival, otherwise age appropriate VS. Low flow NC. Labs have shown normal Cr, normal LFTs, normal CK, normal albumin, elevated PCT, neutrophilic predominant leukocytosis, normal hgb, normal plts, nml AEC, CSF profile without pleocytosis normal glucose and protein, elevated but DT CRP, clear UA without pyuria. ID work up has included negative urine culture, blood cultures, CSF culture, MEP. Positive RPP for adenovirus. Imaging shows clear CXR and normal MRI brain and spine with contrast. Ataxia resolved and improving fatigue. Thought to have had possible transient ataxia and febrile seizures from vaccinations.

Current illness

Adenovirus URI, diagnosed 8/28 via viral respiratory PCR panel

Medical history

Recurrent AOM s/p tympanostomy tubes

Other medications

Miralax PRN, tylenol PRN, zofran PRN

Allergies

None

Lab data

See above.