ANTANANARIVO, MADAGASCAR - OCTOBER 03 : Workers from Department of Emergency and Response to Epidemics and Disasters (SURECA) within the Ministry of Health of Madagascar implement a desinsectisation in a public school in Antananarivo, Madagascar as plague spreads rapidly in cities across the country on October 3, 2017. Twenty people have died so far from plague in Madagascar while more than 100 other suspected cases have been registered across the country. (Photo by Henitsoa Rafalia/Anadolu Agency/Getty Images)