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T. indotineae: A New Emergent Fungal Pathogen Driven by Global Travel

Bryan Ortiz1, Florent Morio2, Kateryn Aguilar1

  • 1Instituto de Investigaciones en Microbiología, Facultad de Ciencias, Universidad Nacional Autónoma de Honduras, Tegucigalpa, Honduras.

Mycoses
|March 30, 2026
PubMed
Abstract

Insights

The multidrug-resistant fungus Trichophyton indotineae has spread globally, driven by international travel and migration. Urgent coordinated action is needed to manage its public health impact.

Area of Science:

  • Mycology
  • Epidemiology
  • Public Health

Background:

  • Trichophyton indotineae, a multidrug-resistant dermatophyte, has a poorly understood global spread.
  • Limited data exists on its migration-associated dissemination and local transmission patterns.

Purpose of the Study:

  • To assess the worldwide distribution of Trichophyton indotineae.
  • To investigate the influence of human mobility on the pathogen's expansion.

Main Methods:

  • Systematic literature search in Scopus and PubMed.
  • Inclusion of epidemiological studies, case reports, and letters.
  • Integration of International Organization for Migration data.

Main Results:

  • 1215 cases reported in 36 countries outside India.
  • Europe (545 cases) and North America (90 cases) are highly affected.
  • Three primary dissemination corridors identified: intra-Asian, Asia-Europe, and Asia-America.

Conclusions:

  • Trichophyton indotineae is now globally disseminated, significantly influenced by travel and migration.
  • Coordinated international action, standardized diagnostics, and harmonized treatment guidelines are essential.
  • Integrated surveillance is required to mitigate the expanding public health impact.
Keywords:
trichophyton indotineaeT. Mentagrophytes ITS genotype VIIIdermatophytosismigrantsterbinafine resistancetravel

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