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[Coincidence of virus encephalitis and measles-mumps vaccination]
Abstract:
A 15-month-old girl developed meningoencephalitis 7 days after measles/mumps vaccination, and died 3 days later. No measles or mumps virus was found in brain tissue, but echovirus type 5 could be cultered postmortally on a cervical lymph node.
Insights
A child developed severe meningoencephalitis following measles/mumps vaccination. Postmortem analysis revealed echovirus type 5, not measles or mumps, as the likely cause of the fatal illness.
Area of Science:
- Pediatric neurology
- Viral diagnostics
- Vaccine safety
Background:
- Meningoencephalitis is a serious inflammation of the brain and meninges.
- Vaccination is a critical public health intervention, but rare adverse events require thorough investigation.
Observation:
- A 15-month-old girl presented with meningoencephalitis seven days post-measles/mumps vaccination.
- The patient succumbed to the illness three days after symptom onset.
Findings:
- Cerebral tissue analysis was negative for measles or mumps viral RNA.
- Echovirus type 5 was successfully cultured from a postmortem cervical lymph node sample.
Implications:
- This case highlights the importance of comprehensive etiological investigations in vaccine-associated neurological complications.
- Echovirus infections should be considered in the differential diagnosis of meningoencephalitis, even in vaccinated individuals.
- Further research may clarify the potential role of echoviruses in post-vaccination neurological syndromes.