Schistosomiasis elimination: Lessons from the past guide the future

Darren J. Gray, Donald P. McManus, Yuesheng Li, Gail M. Williams, Robert Bergquist, Allen G. Ross

    Research output: Contribution to journalComment/debatepeer-review

    229 Citations (Scopus)

    Abstract

    Schistosomiasis is a major neglected tropical disease, with more than 200 million people infected and close to 800 million at risk. The disease burden is estimated to exceed 70 million disability-adjusted life-years. The anthelmintic drug praziquantel is highly effective in killing adult schistosome worms, but it is unable to kill developing schistosomes and so does not prevent reinfection. As a result, current praziquantel-based control programmes in Asia and sub-Saharan Africa are not effective or sustainable in the long term. The control of neglected tropical diseases, including schistosomiasis, is a funding priority for several donor agencies, with over US$350 million committed until 2013. Here we put forward an argument that donor funds would be more effectively spent on the development of a multi-faceted, integrated control programme, which would have a greater and longer lasting effect on disease transmission than the current chemotherapy-based programmes. The development of a transmission-blocking vaccine is also of great importance. A multi-faceted integrated control programme that incorporates a vaccine, even if only partly effective, has the potential to eliminate schistosomiasis. This integrated-approach model has the potential to improve the health of a billion of the world's poorest people and its effect cannot be underestimated.

    Original languageEnglish
    Pages (from-to)733-736
    Number of pages4
    JournalThe Lancet Infectious Diseases
    Volume10
    Issue number10
    DOIs
    Publication statusPublished - Oct 2010

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