EDITORS NOTE: Graphic content / (From L) World Health Organization (WHO) Health Emergencies Programme Director Michael Ryan, WHO Director-General Tedros Adhanom Ghebreyesus and WHO Technical Lead Maria Van Kerkhove attend a daily press briefing on COVID-19 virus at the WHO headquaters on March 11, 2020 in Geneva. - WHO Director-General Tedros Adhanom Ghebreyesus announced on March 11, 2020 that the new coronavirus outbreak can now be characterised as a pandemic. (Photo by Fabrice COFFRINI / AFP) (Photo by FABRICE COFFRINI/AFP via Getty Images)