Natural science Essay Example | Topics and Well Written Essays - 1250 words

Natural science - Essay Example This virus is closely associated to HIV-1. It is known as HIV-2. HIV-2 is mostly present in Africa however HIV-1 is present all over the world. This infection consists of three stages. In the first stage severe retroviral syndrome along with asymptomatic period occurs. This is the exactly like influenza or like mononucleosis that a good number people get in six to twelve weeks after acquiring the infection. It generally finishes without any treatment at all. It is at this point that a patients' blood test for HIV comes out positive. Symptomatic HIV infection is known as the second stage of AIDS. In this stage symptoms start to become prominent. This stage can be as long as a few months or even a few years. AIDS is the last stage. In this stage the immune system gets badly damaged and other opportunistic diseases infect the patient. This collapse of the immune system leads the patient top his death in just a few years. HIV causes a decline in the health and most of time even death. The virus is an extremely dangerously severely infects both the brain and the nervous system. It could cause dementia; dementia is an illness which is related sensory, thinking, or memory disorder. Brain infection might result in problems related to movement or coordination. HIV may have infected the diesel for two to twelve years without exhibiting any symptoms. This virus is transferable to other person symptoms regardless of the symptoms. As soon as HIV catches speed, a lot of symptoms begin to show up. The symptoms consists of mysterious fever, exhaustion, diarrhea, serve loss of weight, enlargement of the lymph glands, loss of hunger mouth and vagina's yeast infections, night sweats which may last more than a number of weeks, problems in breathing , dry cough, bad throat due to the swelling of glands, chills, and shivering. Other symptoms include flat or raised spots or bumps of Pink or purple, color which occur under the skin, in the oral cavity, nose, eyelids or rectum. They look like bruises, however they don't fade away. The skin around the bruises is not as hard as the bruises themselves. Another symptom is Spots or odd blemishes which are White in color start to occur in the mouth. HIV can be transmitted via 3 ways. One very common way is by means of unprotected sex (oral, virginal or anal). The most dangerous kind of sex which transmits this virus is anal sex as the anus does not stretch. The second way this virus can be transmitted is through direct contact with blood that is already infected with the virus. There are a number of ways of in which the virus can be transmitted via direct contact with blood that is already infected with HIV. The third way in which this virus is transited is when pregnant women is infected by this virus and transmits it to her fetus. Development After 6 years in 1987 a new treatment came into being this is known as the first big step in the direction of curing HIV and AIDS virus. The drug that was found was Retrovir (AZT, Zidovudine) and it was approved by the Food and Drug Administration (FDA) and was immediately used to treat patients with HIV. In 1992, the first drug which was to be utilized with zidovudine was also approved by Food and Drug Administration. This combination of drugs was called Hivid; this was the start of HIV combination therapies. In the year 1996