File Name: difference of hiv and aids .zip
HIV is spread primarily by unprotected sex including anal and oral sex , contaminated blood transfusions , hypodermic needles , and from mother to child during pregnancy , delivery, or breastfeeding. Methods of prevention include safe sex , needle exchange programs , treating those who are infected , as well as both pre- and post-exposure prophylaxis.
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It is also defined by numerous opportunistic infections and cancers that occur in the presence of HIV infection. The virus attacks the immune system and leaves the body vulnerable to a variety of life-threatening illnesses and cancers. Common bacteria, yeast, parasites, and viruses that ordinarily do not cause serious disease in people with fully functional immune systems can cause fatal illnesses in people with AIDS. HIV has been found in saliva, tears, nervous system tissue, blood, semen including pre-seminal fluid, or "pre-cum" , vaginal fluid, and breast milk. However, only blood, semen, vaginal secretions, and breast milk have been proven to transmit infection to others. Other transmission methods are rare and include accidental needle injury, artificial insemination with donated semen, and through a donated organ.
HIV is a virus. AIDS is a definition. HIV stands for "human immunodeficiency virus. It is made up of a variety of specialized cells and proteins, such as antibodies. A person who has been infected with the virus is considered to be HIV positive.
NCBI Bookshelf. Center for Substance Abuse Treatment. Early in the U. Early cases of HIV infection that were sexually transmitted often were related to the use of alcohol and other substances, and the majority of these cases occurred in urban, educated, white MSMs. Currently, injection drug users represent the largest HIV-infected substance-abusing population in the United States. The virus is transmitted primarily through the exchange of blood using needles, syringes, or other IDU equipment e. Lack of knowledge about safer needle use techniques and the lack of alternatives to needle sharing e.
HIV stands for human immunodeficiency virus. It harms your immune system by destroying a type of white blood cell that helps your body fight infection. This puts you at risk for serious infections and certain cancers. AIDS stands for acquired immunodeficiency syndrome. It is the final stage of infection with HIV. It happens when the body's immune system is badly damaged because of the virus. These symptoms may come and go within two to four weeks.
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