Sub acute sclerosing pan encephalitis despite adequate vaccination.

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.