"Like every other explosive outbreak, Zika revealed fault lines in the world’s collective preparedness."
Dr Margaret Chan, Director-General of WHO
"We now know that the single greatest environmental risk to human health is through our most basic need – the air that we breathe."
Dr Margaret Chan, Director-General of WHO, Petteri Taalas, Secretary-General of World Meteorological Organization and Erik Solheim, Executive Director of United Nations Environment Programme
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