Ocular Toxoplasmosis in Africa: A Narrative Review of the Literature

Nadine Nsiangani-Lusambo, Juliana Reyes-Guanes, Pilar Uribe-Reina, Dieudonné Kaimbo Wa Kaimbo, Dieudonné Mumba Ngoyi, Alejandra de-la-Torre

Research output: Contribution to journalReview articlepeer-review

Abstract

Purpose: To present a narrative review about ocular toxoplasmosis epidemiology, disease burden and prevalent African parasitic strains. Methods: An initial search for MeSH terms was conducted with a posterior advanced search in two electronic databases. Full text reading was performed. Results: Animal African studies have identified Toxoplasma gondii type II, type III, Africa 1, and Africa 3 strains. Seroprevalence varies from 6.4% to 74.5%. Nevertheless, there is a scarcity of epidemiology and serotyping information about ocular toxoplasmosis. African studies have demonstrated that uveitis patients present high frequencies of ocular toxoplasmosis. There is a lack of studies describing specific clinical characteristics, which can be related, to environmental and socioeconomic factors, parasite serotype and genotype, and genetic susceptibility of the host. Conclusion: As Toxoplasma gondii has more virulent strains in the Southern hemisphere, it is relevant to determine African strain types and the correlation between the infecting strains and the clinical manifestations.

Original languageEnglish (US)
JournalOcular Immunology and Inflammation
DOIs
StateAccepted/In press - Sep 25 2020

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Ophthalmology

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