GENEVA, October 5 (Reuters) - Roughly one in 10 people may have been infected with the coronavirus, leaving the vast majority of the world's population vulnerable to the COVID-19 disease it causes, the Worl

GENEVA, October 5 (Reuters): Roughly 1 in 10 people may have been infected with the novel coronavirus, leaving the vast majority of the world's population vulnerable to the related COVID-19 disease, th

GENEVA, August 5 (Reuters): Young people must curb their party instincts to help prevent new outbreaks of the COVID-19 disease, officials at the World Health Organization (WHO) pleaded on Wednesday. Tir

PARIS, July 16 (Reuters): Back at the start of France's COVID-19 crisis in February, epidemiologist Cyrille Delpierre encountered a problem when trying to find out what groups of people were falling si