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All of the following are viruses that affect humans EXCEPT?

  1. Influenza

  2. HIV

  3. Milaria rubra

  4. Hepatitis

The correct answer is: Milaria rubra

Milaria rubra, also known as prickly heat or heat rash, is not a virus but rather a skin condition that occurs due to the blockage of sweat glands, usually in hot and humid conditions. It results in red, itchy bumps on the skin but does not stem from a viral infection. In contrast, the other choices listed—Influenza, HIV, and Hepatitis—are all viruses that cause illnesses in humans. Influenza is responsible for the flu, HIV leads to acquired immunodeficiency syndrome (AIDS), and Hepatitis viruses cause liver inflammation and disease. Thus, Milaria rubra stands out as the only option not related to a viral infection affecting humans.