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美洲登革热人们知道登革热是加勒比地区的地方性流行病已有很多年了。最近以前只见登革2型和3型病毒,直至1977年初从牙买加的病例首次分离出登革1型病毒。这个病毒不久在全部加勒比地区扩散开来,在1977和1978年造成暴发,其后在1979年逐渐停息。在1977年牙买加、古巴、巴哈马群岛、多米尼加、海地等都报告最大病例数。1978年在波多黎各登革2型引起的一次暴发已发生大量病人,当时登革7型传到本岛给流行以新的势头。同年,由1型引起的暴发也发生于巴巴多斯、特立尼达和多巴哥、圣基斯及其他岛屿。在南美洲和中美洲,1977
Dengue fever in the Americas People know that dengue fever has been endemic in the Caribbean for many years. Only recently saw dengue type 2 and 3 viruses, and dengue type 1 virus was first isolated from Jamaica in early 1977. The virus soon spread throughout the Caribbean, causing an outbreak in 1977 and 1978 and then gradually ceasing in 1979. In 1977, Jamaica, Cuba, the Bahamas, Dominica and Haiti reported the largest number of cases. In 1978, an outbreak of dengue 2 in Puerto Rico had resulted in a large number of patients, when dengue 7 was reported to the island to give a new momentum to the epidemic. In the same year, outbreaks caused by Type 1 also occurred in Barbados, Trinidad and Tobago, St Kitts and other islands. In South and Central America, 1977