The head of the who Tedros Ghebreyesus said that humanity still has to contend with the difficult challenge caused by a coronavirus, says "Interfax".
"Believe me, the most difficult is ahead. But we can prevent this tragedy," said Gebreyesus.
December 31, 2019, the Chinese government announced the outbreak of pneumonia in Wuhan. The causative agent is a new type of coronavirus, which has the official name COVID-19. March 11, the world health organization (who) declared the outbreak of the novel coronavirus pandemic.
