Backgroud Acquired immune deficiency syndrome (AIDS) was caused by human immunodeficiency virus (HIV), and it is a serious chronic contagious disease and could not be cured.
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- 背景與目的 艾滋病是獲得性免疫缺陷綜合征(acquired immune deficiency syndrome，AIDS)的簡(jiǎn)稱(chēng)，它是由于感染了人類(lèi)免疫缺陷病毒(human immunodeficiency virus，HIV)后引起的一種無(wú)法治愈的致死性慢性傳染病。
