New cases have doubled in some hotspots over the past week, Dr Tedros Adhanom Ghebreyesus warns

Vaccine candidate is a Bundibugyo version of the Ervebo shot, which has already been approved for Ebola Zaire

The region has emerged as an epicentre for massive cyber fraud operations that are conning internet users across the world

The threat posed by dengue has been rising around the world for years thanks to climate change, urbanisation and international travel

When bats fell from the sky, Ahmedabad became a pioneer in fighting extreme heat. Its strategy is both a blueprint – and a warning