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The transmission and acquisition of HIV from vaginal interaction are high in cases of condom-less sex, in cooperation in women and men. While the risk tends to be higher sum total women due to biologic vulnerability including the better mass of mucosal tissues which HIV can contravention , men are too at risk with the total from concurrent sexually transmitted diseases STDs to circumcision status adding to with the purpose of risk.
HIV can be found in the blood, semen, pre-seminal fluid "pre-cum" , or vaginal shifting of a person foul with the virus. The lining of the vagina can tear and admit HIV to enter the body, as well for example through absorption of HIV through the mucous membranes that line the vagina and cervix.
When HIV is exposed to these tissues, the localized virus is attacked by first-line immune cells, including macrophage and dendritic cells. The activation of these cells sparks a reaction starting the immune system in the sphere of which specialized defensive cells, including CD4 and CD8 T-cells , are spurred to the fight.
Qualification this occurs and the first-line defense are incapable to contain the HIV invaders, an exposure becomes more than just an exposure. It becomes an infection. Through the manful is at somewhat fewer risk for HIV than his female sexual collaborator, HIV can enter also through his urethra the opening at the top of the penis otherwise through small cuts or else open sores on the penis.
Additionally, men who are uncircumcised tend en route for be more vulnerable towards HIV than men who are circumcised. The bacterial population that exists underneath a foreskin can ripen pang due to the damp environment. Again, ironically, CD4 cells can be invitationed to the front lines of defense, making transmittal all the easier. Actress sexy vedios.
We conducted a systematic review and meta-analysis of observational studies of the risk of HIV-1 transmission per heterosexual contact.