Human African Trypanosomiasis (HAT)

22 Jun 2024

The World Health Organization (WHO) announced that Chad has successfully eradicated the gambiense form of human African trypanosomiasis (HAT)

Chad eliminates human African trypanosomiasis as a public health problem

  • Chad has become the first country of the year and the 51st worldwide to eliminate a neglected tropical disease (NTD).
Chad

  • It is a landlocked country in north-central Africa. 
    • It is largely a semi-desert country. 
  • Capital: N’Djamena
  • Bordering Nations: Sudan, Niger, Libya and Central African Republic.
  • Rivers: Chari and Logone 
  • Highest point: Mount Koussi
  • WHO has validated the elimination of the gambiense form of HAT in seven countries:
    • Human African Trypanosomiasis
Togo (2020), Benin (2021), Ivory Coast (2021), Uganda (2022), Equatorial Guinea (2022)
      Ghana (2023), Chad (2024).
  • Progress in the Fight Against NTDs: Chad has joined other countries that have eliminated sleeping sickness, contributing to the global target of eliminating 100 NTDs by 2030.

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About Human African Trypanosomiasis

Human African Trypanosomiasis (HAT) is commonly known as sleeping sickness.

  • Disease Causing Agent: Human African trypanosomiasis (HAT) is caused by protozoan parasites.
  • Transmission: Infected tsetse flies.
  • Symptoms: The disease is typically fatal if untreated, causing symptoms like fatigue, headaches, and, in severe cases, coma.
  • Forms of HAT
    • There are two forms of HAT based on the subspecies of the parasite:
      • Trypanosoma brucei gambiense: Accounts for 92% of reported cases.
      • Trypanosoma brucei rhodesiense: Responsible for the remaining 8% of cases.
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