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Sub acute sclerosing pan encephalitis despite adequate vaccination
Bhawna Malik1, Franky J Sharma, Anand Kumar Bhardwaj
1Department of Paediatrics, MM Institute of Medical Sciences and Research, Mullana (Ambala), India.
Abstract:
Sub acute sclerosing pan encephalitis (SSPE) is a rare neurodegenerative disorder related to a persistent and aberrant measles virus infection. It is associated with poor prognosis and high mortality. We report a case of a seven- year-old boy who manifested the disease despite proper vaccination and with no documented past history of measles. The case is being reported for its atypical presentation, rarity and its possibility of occurrence in young vaccinated subjects, possibly due to undocumented pre-vaccination measles infection.
Insights
Subacute sclerosing panencephalitis (SSPE) is a rare, fatal measles complication. This case highlights SSPE in a vaccinated child, suggesting potential risks even with immunization.
Area of Science:
- Neurology
- Virology
- Pediatrics
Background:
- Subacute sclerosing panencephalitis (SSPE) is a rare, progressive neurodegenerative disease.
- It results from persistent measles virus infection, typically with a poor prognosis.
- Measles vaccination is highly effective in preventing SSPE.
Observation:
- A seven-year-old boy presented with symptoms of SSPE.
- The patient had a documented history of complete measles vaccination.
- There was no recorded history of measles infection prior to vaccination.
Findings:
- The case presented atypically, challenging typical disease progression.
- SSPE occurred despite adherence to the vaccination schedule.
- Undocumented or subclinical measles infection before vaccination is a potential cause.
Implications:
- This case underscores the importance of considering SSPE even in vaccinated individuals.
- It highlights the need for vigilance regarding rare vaccine-associated complications.
- Further research into sub-vaccination measles infection is warranted.
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