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艾滋病自１９８１年由美国首次报告以来，世界各地的病例都在逐年增加，现已成为威胁人类健康的严重疾病之一。本文报道了艾滋病在世界各地的流行状况及流行病学类型，对今后的流行趋势做了预测。
Since AIDS was first reported by the United States in 1981, the number of cases worldwide has been increasing year by year and has now become one of the serious diseases that threaten human health. This article reports on the prevalence and epidemiological types of AIDS in different parts of the world and forecasts the future epidemic trends.