Which of the following is true of acquired immunodeficiency syndrome (AIDS)?

Question

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AIDS refers to a collection of symptoms and infections that result from the damage to the immune system caused by the human immunodeficiency virus (HIV). It does not stimulate the immune system, but rather suppresses it. HIV infection progresses from the initial stage (acute HIV infection) to the chronic asymptomatic phase and finally to AIDS if left untreated. The transmission and mode of exposure are critical factors in contracting HIV, and the virus is known to spread through unprotected sex, sharing needles or syringes, exposure to contaminated blood or tissues, and from mother to child during childbirth or breastfeeding.

Which of the Following Is True of Acquired Immunodeficiency Syndrome