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Published on: September 14, 2010
Hansen's disease: a vanishing disease?
Sinésio Talhari1, Maria Aparecida de Faria Grossi, Maria Leide W D R de Oliveira
1Departamento de Dermatologia, Universidade Nilton Lins, Manaus, AM, Brasil.
Multidrug therapy (MDT) significantly reduced Hansen's disease prevalence, but transmission continues. Achieving elimination goals requires sustained control efforts, as incidence remains a challenge.
Area of Science:
- Infectious Diseases
- Public Health
- Epidemiology
Background:
- Multidrug therapy (MDT) has been instrumental in reducing Hansen's disease prevalence globally.
- The World Health Organization set an elimination goal for Hansen's disease by 2000, aiming for less than 1 case per 10,000 inhabitants.
Purpose of the Study:
- To discuss the successes and failures of MDT implementation in Hansen's disease endemic countries.
- To analyze the current status of Hansen's disease control and future challenges.
Main Methods:
- Review of MDT implementation, successes, and failures in endemic countries.
- Analysis of global and country-specific Hansen's disease prevalence and incidence data.
Main Results:
- Despite MDT's efficacy in reducing prevalence, transmission of Mycobacterium leprae persists, indicated by unchanged incidence rates.
- Several countries, including Brazil, Nepal, and East Timor, failed to meet the 2000/2005 elimination goals.
- The goal of interrupting transmission by 2020 appears unrealistic based on current trends.
Conclusions:
- Sustained Hansen's disease control activities are crucial for future program development.
- Interruption of transmission and reduction of incidence remain distant goals.
- The impact of HIV/Hansen's disease coinfection on leprosy epidemiology warrants consideration.
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