Today, our world is faced with many diseases. Some haven’t been discovered and some have no cures. The immune system fights off many of these diseases, but what happens when it fails us? One of the most deadly, incurable disease the world is faced with today is the Human Immunodeficency Virus (HIV). There is no none cure yet. Viruses cause colds and the flu. Viruses are microscopic particles that invade the cells of plants, …showed first 75 words of 1309 total…

…showed last 75 words of 1309 total…first infected until the antibodies are made. You have brief flu-like symptoms. Chronic (asymptomatic) is while you display the antibodies. You show signs of the disease, but you fell fine. The T4-cells start to die off and you are likely to contact other infections. Crisis is where the T4 cell counts drops below 200 per milliliter of blood. You are classified as having full-blown AIDS. This is when the opportunistic infections occur. Bibliography Not necessary.