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Undetectable viral load and hiv transmission heterosexual


It is now well known that the use of HIV treatment not only improves the health of people living with HIV, but is also a highly effective strategy to prevent HIV transmission. This is because HIV treatment can reduce the amount of virus viral load in the blood and other bodily fluids such as semen and vaginal and rectal fluids to undetectable levels. In addition to taking HIV medications, regular medical visits are important to monitor viral load to make sure it stays undetectable, and to receive other medical support.

Evidence shows that HIV-positive people who are on Undetectable viral load and hiv transmission heterosexual, engaged in care, and have an ongoing undetectable viral load:.

When HIV replication is controlled, the viral load in the blood and bodily fluids decreases. Research tells us that as the viral load decreases, so does the risk of HIV transmission. When successful treatment lowers the viral load to undetectable levels, this can greatly reduce or eliminate the risk of HIV transmission.

ART usually consists of a combination of at least three antiretroviral drugs taken daily. The power of ART today is so profound that many people who start effective treatment soon after becoming HIV positive will have a Undetectable viral load and hiv transmission heterosexual normal life span. For most people the virus becomes so well controlled that within three to six months of starting treatment the amount of virus in their blood Undetectable viral load and hiv transmission heterosexual undetectable by routinely used tests.

Most viral load tests used in Canada cannot detect HIV in the blood if there are less than 40 to 50 copies of the virus per ml. However, the virus is still present at very low amounts in the body when the viral load is undetectable.

Regular testing and treatment for sexually transmitted infections STIs is also important since this strategy does not protect against STIs. A person on ART needs to work with their doctor to determine an appropriate schedule for medical check-ups and viral load monitoring. After starting treatment the viral load needs to become and remain undetectable for this approach to provide protection.

When a person first begins treatment, it usually takes three to six months for the viral load to become undetectable. Most people will eventually have an undetectable viral load if they have a drug combination that is effective against their strain of HIV and take it as prescribed by their doctor. The viral load should remain undetectable for at least six months before depending on this approach as an effective HIV prevention strategy.

A person must continue to have high adherence to treatment to maintain an undetectable viral load over time. The only way to know if the viral load remains undetectable over the long term is to have regular viral load tests.

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