The Human Immunodeficiency Virus (HIV) targets the immune system and weakens people's surveillance and defence systems against infections and some types of cancer.

人类免疫缺陷病毒(艾滋病毒)感染免疫系统，削弱人体对感染以及一些癌症的监视和防御系统。

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Mortality trends were estimated separately for people with and without human immunodeficiency virus (HIV) infection in accordance with the International classification of diseases.

另外按照国际疾病分类，对携带以及未携带人类免疫缺陷病毒(HIV)的人群分别做出了死亡率趋势评估。

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THE human immunodeficiency virus, HIV-1, the cause of the global AIDS epidemic, is the most intensively studied pathogen in history.

引起艾滋病全球性传播的人体免疫缺陷病毒（HIV-1），一直被人们最为集中的研究其病原体。

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Dr. Robert Gallo, co-discoverer of the human immunodeficiency virus (HIV) that causes AIDS, said last week there was a "serious possibility" no vaccine would ever be discovered.

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Just as the human immunodeficiency virus, or HIV, does in people, FIV works by wiping out infection-fighting T-cells.

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Nature Medicine carried a report by Jean-Christophe Plantier of the University of Rouen and his colleagues of a new human immunodeficiency virus (HIV) detected in a Cameroonian woman.

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