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HIV/AIDS explained in a simple way HIV replication cycle. After the virus enters the body, there is a period of rapid viral replication, leading to an abundance of virus in the peripheral blood. During primary infection, the level of HIV may reach several million virus particles per milliliter of blood. [101]
Without treatment, the average survival time after infection with HIV is estimated to be 9 to 11 years, depending on the HIV subtype. [4] In most cases, HIV is a sexually transmitted infection and occurs by contact with or transfer of blood, pre-ejaculate, semen, and vaginal fluids.
HIV is carried in body fluids and is spread by sexual activity. It can also be spread by contact with infected blood, breastfeeding, childbirth, and from mother to child during pregnancy. [73] When HIV is at its most advanced stage, an individual is said to have AIDS (acquired immunodeficiency syndrome). [74]
The number of sexually transmitted infections (STI) in the United States in 2023 was down nearly 2% from the year before, a sign the epidemic could be slowing, the Centers for Disease Control and ...
Laws criminalizing HIV transmission have not been found an effective way to reduce HIV risk behavior, and may actually do more harm than good. In the past, many U.S. states criminalized the possession of needles without a prescription, even going so far as to arrest people as they leave private needle-exchange facilities. [67]
HIV is commonly transmitted via unprotected sexual activity, blood transfusions, hypodermic needles, and from mother to child. Upon acquisition of the virus, the virus replicates inside and kills T helper cells , which are required for almost all adaptive immune responses .
The only way that HIV can be transmitted from one individual to the next is by sharing of certain bodily fluids such as semen, blood, and vaginal discharge which the virus uses as a medium to enter the bloodstream of the recipient; HIV is not transmissible via fluids such as saliva, sweat, tears, or urine as it is not in high enough ...
A German man has probably been cured of HIV, a medical milestone achieved by only six other people in the more than 40 years since the AIDS epidemic began. ... 800-290-4726 more ways to reach us ...
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