World Health Organization (WHO) Director-General Tedros Adhanom Ghebreyesus delivers a speech on the opening day of the World Health Assembly, an annual meeting with health representatives to discuss a range of global health issues, on May 21, 2018 in Geneva. Fabrice COFFRINI / AFP
What you need to know:
Speaking at the 71st World Health Assembly that opened on Monday in Geneva, Switzerland, Mr Adhanom promised to act with urgency because every moment of delay cost life.