求翻译：　　艾滋病，是种人畜共患疾病，由感染"HIV"病毒引起。HIV是一种能攻击人体免疫系统的病毒。它把人体免疫系统中最重要的T4淋巴组织作为攻击目标，大量破坏T4淋巴组织，产生高致命性的内衰竭。这种病毒在地域内终生传染，破坏人的免疫平衡，使人体成为各种疾病的载体。HIV本身并不会引发任何疾病，而是当免疫系统被HIV破坏后，人体由于抵抗能力过低，丧失复制免疫细胞的机会，并感染其它的疾病导致各种疾病复合感染而死亡。艾滋病病毒在人体内的潜伏期平均为8年至9年，在发展成艾滋病病人以前，病人外表看上去正常，他们可以没有任何症状地生活和工作很多年。是什么意思？

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AIDS is a disease that humans and animals infected with the virus "HIV". HIV is a kind of virus can attack the body immune system. It is the most important of the body's immune system T 4 lymph tissue damage as the attack targets, a large number 4 T lymph tissue, resulting in high-lethal of failure.

　　AIDS is a zoonotic disease from infected "HIV" caused by viruses. HIV is a virus that attacks the body's immune system. T4 lymphoid tissue of the body's immune system in the most important object of the attack, a large