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In 2023, 630,000 people died from HIV-related causes, an estimated 1.3 million people acquired HIV and about 39.9 million people worldwide living with HIV, 65% of whom are in the World Health Organization (WHO) African Region. [5] [7] HIV/AIDS is considered a pandemic—a disease outbreak which is present over a large area and is actively ...
Two types of HIV have been characterized: HIV-1 and HIV-2. HIV-1 is the virus that was initially discovered and termed both lymphadenopathy associated virus (LAV) and human T-lymphotropic virus 3 (HTLV-III). HIV-1 is more virulent and more infective than HIV-2, [20] and is the cause of the majority of HIV infections globally. The lower ...
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. [2] This response is accompanied by a marked drop in the numbers of circulating CD4 + T cells.
A small proportion of humans show partial or apparently complete innate resistance to HIV, the virus that causes AIDS. [1] The main mechanism is a mutation of the gene encoding CCR5, which acts as a co-receptor for HIV. It is estimated that the proportion of people with some form of resistance to HIV is under 10%. [2]
Drug-induced liver injury is a common cause of prolonged hospital stays for people with HIV, and in more severe reactions can be life-threatening. Antiretrovirals may also cause damage to cells in a person with HIV, decreasing function of crucial cells and releasing toxins in the body. Thus, discontinuing the offending medication may cause loss ...
Still, South Africa has the largest population of people with HIV of any country in the world, at 8.45 million, [11] 13.9% [12] of the population as of 2022. In western Europe and North America, most people with HIV are able to access treatment and live long and healthy lives. [13]
The “New York patient.”The first woman and person of mixed-race ancestry possibly to be cured, she was diagnosed with leukemia in 2017 and received a stem cell transplant augmented with ...
The spread of HIV/AIDS has affected millions of people worldwide; AIDS is considered a pandemic. [1] The World Health Organization (WHO) estimated that in 2016 there were 36.7 million people worldwide living with HIV/AIDS, with 1.8 million new HIV infections per year and 1 million deaths due to AIDS. [2]