HIV symptoms vary by the stage of infection, known as primary infection (Stage 1), clinical latency (Stage 2), and AIDS (Stage 3). During primary infection, the symptoms are caused by the virus ...

In the slightly different system of the CDC, it is also described as stage 1 (but defined in terms of a CD4 cell count above 500). ‘Asymptomatic’ means ‘without symptoms’. It does not mean HIV is not ...

The first known case of HIV-1 infection in human was detected in 1959, from a blood sample of a man in Kinshasa, Democratic ...

HIV is spread by bodily fluids such as blood, breast milk or semen. It gradually weakens the body’s immune system and makes ...

Examination of the medical records for the 5 years leading up to HIV diagnosis revealed that 267 of the 440 patients (67%) had 1 of more of these events documented. In a multiple logistic ...

HIV is a virus. It may cause AIDS after you’ve been infected for several years and it’s weakened your immune system. HIV doesn’t affect everyone the same way. Some people notice signs soon ...

Initial attachment of HIV-1 to the mucosa may be aided by cervical mucus and various gp120-binding surface receptors on epithelial cells. HIV-1 penetration into the genital mucosa occurs rapidly ...