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Atypical varicella exanthems associated with skin injury

T H Belhorn1, A W Lucky

  • 1Division of Pediatric Infectious Diseases, University of Texas Health Science Center, Houston.

Pediatric Dermatology
|June 1, 1994
PubMed

Insights

Skin trauma, including insect stings and sun exposure, may worsen localized varicella (chickenpox) in children. This suggests local immunity alterations may play a role in severe varicella zoster virus disease.

Area of Science:

  • Pediatrics
  • Immunology
  • Dermatology

Background:

  • Varicella (chickenpox) is a common, typically mild childhood illness caused by the varicella-zoster virus.
  • The characteristic symptom is a widespread itchy rash (exanthem).

Observation:

  • Four children presented with severe, localized varicella disease.
  • Each child had experienced some form of skin trauma during the virus incubation period.
  • Trauma types included wasp stings, extensive sun exposure, iatrogenic injury, and post-surgical immobilization (cast).

Findings:

  • Localized skin trauma may influence the severity and presentation of varicella.
  • Potential mechanisms include increased viral entry at trauma sites or altered local immunity.
  • Factors like insect venom and UV radiation might impact local immune responses to varicella-zoster virus.

Implications:

  • Understanding the role of skin trauma could inform prevention strategies for severe varicella.
  • Further research into localized immune responses to varicella-zoster virus is warranted.
  • This highlights a potential link between environmental/physical factors and infectious disease presentation.

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