World Health Organization (WHO) Director-General Margaret Chan (L) pauses next to Cuba's Minister of Public Health Roberto Morales Ojeda during a news conference on support to Ebola affected countries, at the WHO headquarters in Geneva September 12, 2014. Cuba is to send 165 healthcare workers to West Africa to help in the battle against the world's worst ever epidemic of the Ebola virus, Ojeda said on Friday. Chan welcomed Cuba's commitment, saying it would make "a significant difference" in Sierra Leone. REUTERS/Pierre Albouy (SWITZERLAND - Tags: HEALTH POLITICS)