The World Health Organization's emergency committee will debate whether a Zika virus outbreak suspected of causing a surge in serious birth defects in South America should be considered a global health emergency.

WHO Director-General Dr Margaret Chan said the virus — which has been linked to birth defects and neurological problems — was becoming much more of a threat.

US scientists have urged the World Health Organisation to take urgent action over the Zika virus, which they say has "explosive pandemic potential".

Sierra Leone officials confirm a death from Ebola, hours after the World Health Organization declared the latest West Africa outbreak over.

Schools in Beijing are closed and outdoor construction halted as the Chinese capital's first ever pollution "red alert"red alert" came into effect.

The World Health Organization's failure to sound the alarm until months into West Africa's Ebola outbreak was an "egregious failure" which added to the enormous suffering and death toll, global health experts say.

The World Health Organization's failure to sound the alarm until months into West Africa's Ebola outbreak was an "egregious failure" which added to the enormous suffering and death toll, global health experts say.

Chinese state media and netizens decries high pollution levels in the northeast city of Shenyang, which activists say could be the "worst ever" air quality seen in the country.

The World Health Organization is set to announce that Ebola-ravaged Sierra Leone has beaten an epidemic that killed almost 4,000 of its people and plunged the economy into recession.

Global health experts are to release guidance about the possible cancer risks of red and processed meats.

At least 18 workers have been killed after the truck they were traveling in overturned in India's southern state of Andhra Pradesh

The world is running out of one of the most effective snakebite treatments, putting tens of thousands of lives at risk.

The World Health Organization is calling for "intensified action" to protect health workers treating people in crisis and conflict zone.