Rio De Janeiro: The Zika virus, believed to be linked to the serious birth defect microcephaly, presents a "formidable" challenge that will be hard to stamp out, World Health Organization chief Margaret Chan has said."Things
Geneva: The Ebola epidemic shows that the world is ill-prepared to respond to a severe health emergency, World Health Organization director general Margaret Chan said on Monday."The world is ill-prepared to respond to any severe,
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