Thirty-seven deaths have been recorded from the disease already this year.
World Health Organization (WHO)
Scientists at George Washington University in the US have published new research which reveals that deliberate misinformation about vaccines is being spread on social media by Russian 'bots'. Cyber security specialist Ben Nimmo explains how such a campaign works. (Image: Syringes with medicine bottles in the background. Credit: Getty Images)
Hamish loves playing the game Fortnite. Does his brain show signs of addiction?
For millions, it is a harmless hobby but for some it can become more than that.