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Various approaches for HIV vaccine development. As of 2020, no effective vaccine for HIV or AIDS is known. [61] A single trial of the vaccine RV 144 found a partial efficacy rate around 30% and has stimulated optimism in the research community regarding developing a truly effective vaccine. [62] Further trials of the vaccine are ongoing. [63] [64]
Pre-exposure prophylaxis (PrEP), is the use of medications to prevent the spread of disease in people who have not yet been exposed to a disease-causing agent. Vaccination is the most commonly used form of pre-exposure prophylaxis; other forms of pre-exposure prophylaxis generally involve drug treatment, known as chemoprophylaxis.
Tablets of Truvada, a tenofovir/emtricitabine combination used for HIV pre-exposure prophylaxis. Pre-exposure prophylaxis for HIV prevention, commonly known as PrEP, is the use of antiviral drugs as a strategy for the prevention of HIV/AIDS by people that do not yet have HIV/AIDS. [1]
Treatment as prevention has been used as a form of controlling the spread of HIV since the mid-1990s, initially in the context of preventing the transmission of the virus from mothers to their children. Research in 1994 revealed how the drug zidovudine can reduce vertical transmission. [14]
One tool we don't have yet is a vaccine, and there's a lot of debate about whether we even still need an HIV vaccine given all these other tools we now have to prevent infections. The vaccines by ...
An HIV vaccine is a vaccine that would be given to a person who does not have HIV, in order to confer protection against subsequent exposures to HIV, thus reducing the likelihood that the person would become infected by HIV. Currently, no effective HIV vaccine exists. Various HIV vaccines have been tested in clinical trials almost since the ...
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