World Health Organisation (WHO) Director-General Tedros Adhanom Ghebreyesus gives a press conference on the situation regarding the Covid-19 at Geneva's WHO headquarters on February 24, 2020. AFP
World Health Organisation (WHO) Director-General Tedros Adhanom Ghebreyesus gives a press conference on the situation regarding the Covid-19 at Geneva's WHO headquarters on February 24, 2020. AFP

Coronavirus: WHO chief says world must prepare for 'potential pandemic'