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Disseminated measles infection after vaccination in a child with a congenital immunodeficiency
W J Monafo1, D B Haslam, R L Roberts
1Department of Pediatrics, Washington University Medical Center, St. Louis, Missouri.
Abstract:
An infant boy with a congenital immunodeficiency had fatal disseminated measles after administration of a live attenuated measles vaccine. This rare complication was confirmed with molecular virologic techniques. Although efforts to expand availability of vaccinations are critically important, caution is warranted in children with potentially severe immunologic dysfunction.
Insights
A rare case of fatal disseminated measles occurred in an infant with congenital immunodeficiency after receiving a live attenuated measles vaccine. This highlights the need for caution in immunocompromised children despite the importance of vaccination.
Area of Science:
- Immunology
- Virology
- Pediatrics
Background:
- Congenital immunodeficiencies represent a spectrum of genetic disorders impairing immune system function.
- Live attenuated vaccines are crucial for preventing infectious diseases but carry risks in immunocompromised individuals.
Observation:
- An infant diagnosed with congenital immunodeficiency received a live attenuated measles vaccine.
- The infant subsequently developed disseminated measles infection.
Findings:
- Molecular virologic techniques confirmed the measles diagnosis and vaccine-derived viral strain.
- This represents a rare but severe complication of measles vaccination in an infant with underlying immunologic dysfunction.
Implications:
- While widespread vaccination is vital for public health, careful screening for severe immunologic dysfunction is necessary.
- This case underscores the importance of risk-benefit assessment for vaccinations in vulnerable pediatric populations.