What you see is not always what you get: the influence of epidemiology on ordering practices for herpes simplex virus and varicella zoster virus

September 3, 2025
Case Report
Blake W Buchan, Preeti Pancholi
Pathogen:Herpes Simplex Virus, Varicella Zoster Virus
Infection Type:Viral infection
Pathogen Type:Virus

Summary

This article highlights the critical impact of atypical presentations of Herpes Simplex Virus (HSV) or Varicella Zoster Virus (VZV) on diagnostic practices. Such unusual clinical manifestations frequently lead to a failure in ordering the appropriate laboratory tests, affecting a significant number of cases. This diagnostic oversight can result in delayed or incorrect therapeutic interventions, prolonged patient symptoms, and increased interactions with the healthcare system. The findings underscore the importance of considering epidemiological factors and broad differential diagnoses, even when initial presentations seem misleading.

Key note: Atypical presentations of common pathogens like HSV and VZV can lead to diagnostic delays and suboptimal patient outcomes.

DOI: 10.1128/asmcr.00112-25