Definition Of Hiv And Aids Pdf

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definition of hiv and aids pdf

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Thanks to research and the development of new treatments, people with HIV at any stage today are living long, productive lives. An HIV-positive person who adheres to regular antiretroviral treatment can expect to live a near-normal life span. HIV is a virus that can lead to immune system deterioration.

All currently advocated preventive measures such as health education, condom use, safer sex practices, and treatment of sexually transmitted infections have been incorporated. This volume is an excellent reference for science graduates and post graduates, medical students, research scholars and scientists across the world. Skip to main content Skip to table of contents. Advertisement Hide. This service is more advanced with JavaScript available.

Explaining HIV and AIDS

HIV is a virus that targets and alters the immune system, increasing the risk and impact of other infections and diseases. Without treatment, the infection might progress to an advanced stage called AIDS. The life expectancy of a person with HIV is now approaching that of someone who tests negative for the virus, provided that the person takes medications called antiretroviral therapy on an ongoing basis. These are types of T cell — white blood cells that circulate, detecting infections throughout the body and faults and anomalies in other cells. HIV targets and infiltrates CD4 cells, using them to create more copies of the virus. This increases the risk and impact of opportunistic infections and some types of cancer. It is worth noting, however, that some people have HIV for long periods without experiencing any symptoms.

COVID is an emerging, rapidly evolving situation. Get the latest CDC public health information. HIV human immunodeficiency virus is a virus that attacks cells that help the body fight infection, making a person more vulnerable to other infections and diseases. It is spread by contact with certain bodily fluids of a person with HIV, most commonly during unprotected sex sex without a condom or HIV medicine to prevent or treat HIV , or through sharing injection drug equipment. So, once you have HIV, you have it for life. In the U. Once someone has a dangerous opportunistic illness, life expectancy without treatment falls to about 1 year.

A Comprehensive Guide to HIV and AIDS

Acquired immunodeficiency syndrome AIDS is a chronic, potentially life-threatening condition caused by the human immunodeficiency virus HIV. By damaging your immune system, HIV interferes with your body's ability to fight infection and disease. It can also be spread by contact with infected blood or from mother to child during pregnancy, childbirth or breast-feeding. These drugs have reduced AIDS deaths in many developed nations. Some people infected by HIV develop a flu-like illness within two to four weeks after the virus enters the body. This illness, known as primary acute HIV infection, may last for a few weeks. Possible signs and symptoms include:.

AIDS stands for acquired immunodeficiency syndrome. HIV attacks and destroys the infection-fighting CD4 cells of the immune system. The loss of CD4 cells makes it difficult for the body to fight off infections and certain cancers. These body fluids include:. HIV is not spread through the air or in water or by mosquitoes, ticks, or other blood-sucking insects. To reduce your risk of HIV infection, use condoms correctly every time you have sex, limit your number of sexual partners, and never share injection drug equipment.

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. HIV is a virus that damages the immune system. Over time, as HIV kills more CD4 cells, the body is more likely to get various types of conditions and cancers. At that point, the immune system is too weak to successfully respond against other diseases, infections, and conditions. Untreated, life expectancy with end stage AIDS is about 3 years. With antiretroviral therapy, HIV can be well-managed, and life expectancy can be nearly the same as someone who has not contracted HIV.


Today HIV/AIDS is a major global health emergency, affecting Syndrome (AIDS​) first defined BeDeGe_BP_gilariverdistrict.org, accessed 26 September ).


What Is the Difference Between HIV and AIDS?

Jump to content. HIV human immunodeficiency virus is a virus that attacks the immune system , the body's natural defense system. Without a strong immune system, the body has trouble fighting off disease. Both the virus and the infection it causes are called HIV. White blood cells are an important part of the immune system.

2 Comments

  1. Loring A. 02.04.2021 at 17:26

    the health worker explains the meaning of the test to you so you can decide if you want it. “ Aid for AIDS can help you lead a healthy, normal life”. Testing for HIV.

  2. Atflatinet1958 05.04.2021 at 01:34

    HIV (human immunodeficiency virus) is a virus that attacks cells that help the body fight infection, making a person more vulnerable to other.