Diseases, Conditions, Syndromes

UN: Zika remains global emergency, virus still spreading

The World Health Organization says the outbreak of Zika remains an international health emergency and that while the virus continues to hit new countries, experts still aren't sure how big the risk is that pregnant women ...

Diseases, Conditions, Syndromes

SLeone hunts infected as Ebola crisis hits 'turning point'

Sierra Leone launched a door-to-door search Wednesday for "hidden" Ebola patients as the head of the United Nations announced the world was at "a critical turning point" in the crisis.

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