> Influenza mutates and mostly escapes natural immunity all the time You're right, it does, and the parent comment is also right that your immune system will f

> Influenza mutates and mostly escapes natural immunity all the time You're right, it does, and the parent comment is also right that your immune system will fight it and win again most of the time. HIV is special because your body will fight it, but lose the battle given enough time. The Human Immunodeficiency Virus targets your immune system, and gradually weakens it until you can't fight even common fungus spores. COVID storms the gates and the soldiers fight it back, HIV sneaks into the castle and attacks the barracks in a war of attrition.