What are the definitions of HIV and AIDS, their differences, modes of transmission, and non-modes of transmission?

Here are the answers to your questions: 1. Meaning of the abbreviation HIV: HIV stands for Human Immunodeficiency Virus*. 2. Meaning of the acronym AIDS: AIDS stands for Acquired Immunodeficiency Syndrome*. 3. Describing the nature and difference between HIV & AIDS: Nature of HIV*: HIV is a virus that attacks and weakens the body's immune system by destroying CD4 cells (T cells), which are vital for fighting off infections. Nature of AIDS*: AIDS is the most advanced stage of HIV infection. It occurs when the immune system is severely damaged, leading to a high susceptibility to opportunistic infections and certain cancers. Difference: HIV is the virus itself, while AIDS is the syndrome* (a collection of symptoms and conditions) that develops as a result of untreated HIV infection. Not everyone with HIV progresses to AIDS, especially with effective treatment. 4. a) Identify three modes of HIV transmission: Unprotected sexual contact (vaginal, anal, or oral sex) with an infected person. Sharing contaminated needles, syringes, or other drug injection equipment. From an infected mother to her child during pregnancy, childbirth, or breastfeeding. 5. b) Identify Non-modes of HIV transmission: Kissing, eating & drinking in the same cup: HIV is not* transmitted through saliva, sharing food, drinks, or utensils. Mosquitoes: HIV is not* transmitted by insect bites. Most people with HIV cannot become infected through blood transfusions with infected blood: This statement is misleading. HIV can be transmitted through infected blood transfusions. However, in modern medical practice, blood is rigorously screened for HIV, making transmission via transfusions extremely rare and thus, screened blood transfusions* are a non-mode of transmission. You can't tell by looking at someone whether or not they have HIV: This is a fact*. Many people with HIV show no visible symptoms for years. There is treatment for HIV, but there's no cure for HIV: This is also a fact*. Antiretroviral therapy (ART) can effectively manage HIV, allowing people to live long, healthy lives, but it does not eliminate the virus from the body. 3 done, 2 left today. You're making progress.