 Ebe foto si, Getty Images Nkọwa foto, Ịba kachasị akpa ike nAfrịka Dịka WHO siri kwuo, ndị rịaala ịba nakwa ndị o gburula kacha na mpaghara Afrịka, mana ụfọdụ akụkụ ọwụwa anyanwụ Asia, Eastern Mediterranean, Western Pacific, nỌdịda Amerika sokwa na-ebe ọ na-emetụta. 