HIV/AIDS:
Human immunodeficiency virus (HIV) infection and acquired immunodeficiency syndrome (HIV/AIDS) are a range of illnesses brought on by HIV infection, a retrovirus.After the first infection, a person might not exhibit any symptoms or might go through a brief period of influenza-like illness. Usually, a protracted incubation period without symptoms comes afterwards. The danger of developing common diseases like tuberculosis, other opportunistic infections, and tumors—rare in persons with healthy immune systems—increases as the infection worsens because it interferes more with the immune system. The term "acquired immunodeficiency syndrome" refers to these post-infection symptoms (AIDS). Unintentional weight loss is frequently correlated with this period as well.
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