what are the major causes of hiv?
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HIV infection is caused by the human immunodeficiency virus. You can get HIV from contact with infected blood, semen, or vaginal fluids. Most people get the virus by having unprotected sex with someone who has HIV. Another common way of getting it is by sharing drug needles with someone who is infected with HIV.
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HIV infects human cells and uses the energy and nutrients provided by those cells to grow and reproduce. AIDS stands for acquired immunodeficiency syndrome. The immune system breaks down and is unable to fight off infections. This cause illnesses to take advantage of the weakened immune system.
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The main treatment for HIV is antiretroviral therapy, a combination of daily medications that stop the virus from reproducing. This helps protect CD4 cells, keeping the immune system strong enough to fight off disease.
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Symptoms: HIV makes the body's immune system weak so it can't fight disease. Symptoms may take years to develop. When symptoms do appear, they can include swollen lymph nodes, diarrhea, fever, cough, shortness of breath, or unexplained weight loss.
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As viral load increases, this high level of viral activity produces symptoms in up to 80% people. HIV can cause a range symptoms that include night sweats, fevers, weakness and tiredness and, more rarely, mouth ulcers. The immune system reacts to viral load in the blood by producing antibodies to fight HIV.
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AIDS is a set of symptoms (or syndrome as opposed to a virus) caused by HIV. A person is said to have AIDS when their immune system is too weak to fight off infection, and they develop certain defining symptoms and illnesses.
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Summary. HIV-1 and HIV-2 are the two main types of the HIV virus. Most people living with HIV have HIV-1. Both types of HIV weaken the immune system, but HIV-2 tends develop more slowly and is less easy for people to transmit than HIV-1.
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About HIV. HIV (human immunodeficiency virus) is a virus that attacks the body's immune system. If HIV is not treated, it can lead to AIDS (acquired immunodeficiency syndrome). Learning the basics about HIV can keep you healthy and prevent HIV transmission.
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STIs can be caused by viruses or bacteria. STIs caused by viruses include hepatitis B, herpes, HIV, and the human papilloma virus (HPV). STIs caused by bacteria include chlamydia, gonorrhea, and syphilis.
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HIV is the virus that causes AIDS. AIDS stands for Acquired Immune Deficiency Syndrome. HIV and AIDS are not the same thing. And people with HIV do not always have AIDS.
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AIDS is caused by the human immunodeficiency virus (HIV). By killing or damaging cells of the body's immune system, HIV progressively destroys the body's ability to fight infections and certain cancers.
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['undernutrition.', 'HIV and AIDS.', 'influenza.', 'autoimmune conditions, such as lupus.', 'some cancers, including lymphocytic anemia, lymphoma, and Hodgkin disease.', 'steroid use.', 'radiation therapy.', 'certain drugs, including chemotherapy drugs.']
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4. Explain: One big difference between HIV and AIDS is that one is a virus, and the other is a condition. A person with HIV may or may not have AIDS. However, a person with AIDS will always have HIV in the blood.
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Approximately 38 million people are currently living with HIV, and tens of millions of people have died of AIDS-related causes since the beginning of the epidemic. Many people living with HIV or at risk for HIV infection do not have access to prevention, treatment, and care, and there is still no cure.
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Canker sores aren't a symptom of HIV, but having HIV can increase the risk for recurring and severe sores. Other factors that can cause canker sores include stress, acidic foods, and mineral deficiencies that include: iron.
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While HIV is a virus that may cause an infection, AIDS (which is short for acquired immunodeficiency syndrome) is a condition. Contracting HIV can lead to the development of AIDS. AIDS, or stage 3 HIV, develops when HIV has caused serious damage to the immune system.
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HIV and AIDS are related, but they're not the same. HIV is a virus. It may cause AIDS after you've been infected for several years and it's weakened your immune system. Not everyone who has HIV will get AIDS.