How secure is the use of prep in preventing HIV...

How to prevent transmission of the virus
HIV is transmitted through transfusion of blood contaminated with the virus, so it is necessary to examine any blood during any surgery, in addition to refraining from using contaminated needles through people infected with the virus, with the need not to have vaginal or oral intercourse or anal intercourse for anyone infected with the virus and to use mechanical contraceptives such as condoms Any external sexual relationship and the practice of sex with any possible sexual partner infected with the virus, and sometimes it infects children through its transmission from the mother’s blood to her newborn child, so in this case, as well as organ transplantation from a person sick with AIDS
What is AIDS?
It is a disease called acquired immunodeficiency virus, and this disease is caused by the AIDS virus, which is of the RNA family and works to destroy the body’s immunity, and thus the body becomes vulnerable to all kinds of parasites, bacteria and other viruses, and symptoms of AIDS may appear during the first two to four weeks From having sex with a person infected with AIDS, and in many cases the symptoms do not appear despite the infection with AIDS, and this depends on the patient’s immunity
During this period, if the patient is a carrier of the disease and there are no symptoms of the disease, the patient can transmit the disease to all his partners who have sexual relations with him in an unsafe situation, and the patient can enter a latent period for ten cents
Is the possibility of transmission of the disease with a knife contaminated with AIDS is great?
In fact, the probability of transmission through mechanical materials such as contaminated knife or needles is about 10%, but through sexual contact is about 90%, especially homosexuals.
Initial symptoms of AIDS
There are many symptoms of AIDS, including high body temperature, headache, swollen lymph nodes, rashes, excessive sweating, weight loss, meningitis, and sometimes blurred vision.
Required tests for AIDS
HIV tests are done after one to three months, because of the formation of antibodies to the virus between one to three months, and the examination must be repeated after three months of intimate relationship to confirm the diagnosis of the disease. These tests are a laboratory blood test called ELISA test. If the sample is Positive, it must be reconfirmed by examining Western Plot
What do I recommend?
The above-mentioned tests must be performed and deliberately having sex with anyone during this period