Felix Baez Sarria is being treated by British doctors in Africa but he will be transferred to a special unit in Geneva at the recommendation of the World Health Organisation, Cuban state media said, citing the island's Ministry of Public Health.
Cuba won global praise for sending at least 256 medical workers to Sierra Leone, Liberia and Guinea to help treat Ebola patients. State officials have emphasised the medics' high state of readiness for the mission, saying the doctors, nurses and support staff received weeks of instruction in protective measures and equipment.
State media said that Baez, an internal medicine specialist, came down with a fever of more than 100 degrees on Sunday and was diagnosed with Ebola the following day.
Cuban officials did not say how he caught the disease or immediately release any other information about the case, the first reported among the health workers the island sent to Africa.
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Early symptoms of Ebola include fever, headache, body aches, cough, stomach pain, vomiting and diarrhoea, and patients aren't contagious until those begin. The virus requires close contact with body fluids to spread so health care workers and family members caring for loved ones are most at risk.
Cuba is one of the largest global contributors of medical workers to the fight against Ebola, a commitment that has drawn rare praise from the US and focused worldwide attention on the island's unique program of medical diplomacy, which deploys armies of doctors to win friends abroad and earn billions a year in desperately needed foreign exchange.