1898年4月24日—25日,一场为结束西班牙在美洲殖民统治的“美西战争”打响;不到一百天,7月3日,西班牙加勒比海舰队在古巴圣地亚哥港被美国彻底摧毁,西班牙全部放弃古巴,将关岛和波多黎各割给美国,并以2000万美元的代价把菲律宾主权转让给美国。两年后,1900年,美国士兵派驻古巴哈瓦那。但不久,大量美国驻守士兵都病了:眼、口、鼻部发红,严重的寒颤,高热,强烈的头痛和背痛,以及肌肉疼痛等症状突 From April 24 to April 25, 1898, a “U.S.-West war” to end Spanish colonial rule in the Americas started. In less than a hundred days, on July 3, the Spanish Caribbean Fleet was stationed in the port of Santiago, Cuba by the United States Completely destroyed, Spain completely renounced Cuba, cut off Guam and Puerto Rico to the United States and transferred the Philippines’ sovereignty to the United States at a cost of 20 million U.S. dollars. Two years later, in 1900, American troops were stationed in Havana, Cuba. However, a large number of U.S. soldiers stationed in the country were ill soon: eyes, mouth and nose were red, severe shivering, fever, intense head and back pain, and muscle pain