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The bloc seems at last to have a firm hand on inoculation and recovery\u2014but efforts to engineer even progress among member states are not quite panning out. In recent years Bangladesh\u2019s government has been cosy with a puritanical Islamist group; we ask why the relationship has grown complicated. And a genetic-engineering solution to the problem of mosquito-borne disease. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer