Annals of African Medicine
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REVIEW
Year : 2008  |  Volume : 7  |  Issue : 4  |  Page : 153-162

Human paragonimiasis in Africa


1 Laboratory of Parasitology-Mycology, Faculty of Medicine, BP V 166 Abidjan, Ivory Coast, and UPRES EA n 3174 / USC INRA, Faculties of Medicine and Pharmacy, 87025 Limoges, France
2 Laboratory of Parasitology-Mycology, Faculty of Medicine, BP V 166 Abidjan, Ivory Coast
3 UPRES EA n 3174 / USC INRA, Faculties of Medicine and Pharmacy, 87025 Limoges, France

Correspondence Address:
N'Da A Aka
Laboratory of Parasitology-Mycology, Faculty of Medicine, BP V 166 Abidjan, Ivory Coast

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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1596-3519.55660

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An up-to-date review on human paragonimiasis in Africa was carried out to determine the current geographical distribution of human cases and analyze the animal reservoir, snails and crustaceans which intervene in the local life cycle of Paragonimus species. Two countries, i.e., Cameroon and Nigeria, were mainly affected by this disease, while the distribution of human cases in the other eight states of the intertropical zone was scattered. Infected patients were currently few in number and two Paragonimus species: P. africanus and P. uterobilateralis, were found. The animal reservoir is mainly constituted by crab-eating mammals. The identity of the host snail remains doubtful and was either a prosobranch, or a land snail. Seven crab species belonging to Callinectes, Liberonautes and Sudanonautes genera are able to harbour paragonimid metacercariae. Due to the current low prevalence of human paragonimiasis recorded in Africa and the high cost of wide-scale screenings for this disease, training of technicians in anti-tuberculosis centers would be the most realistic attitude to detect mycobacteria and/or Paragonimus eggs during the same sputum examination.


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