Estimation of Global Progress Toward HIV/AIDS Goal

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People with HIV who achieve viral suppression protect their immune health and prevent transmitting HIV to others.


Scientists from the National Institutes of Health-funded International epidemiology Databases to Evaluate AIDS (IeDEA) consortium set out in 2020 to estimate how close the world is to achieve that goal.

They analyzed data from 148 IeDEA treatment sites in 31 countries on five continents to estimate the proportions of children, adolescents, and adults who were virally suppressed one, two and three years after initiating ART.

The data came from more than 21,500 children and adolescents with HIV aged 17 years or younger and more than 255,000 adults with HIV, all of whom had begun receiving ART between 2010 and 2019. Viral suppression was defined as having fewer than 1,000 copies of HIV per milliliter of blood.

Researchers calculated the percentages of children and adults who were virally suppressed based on data from those who were alive, in follow-up, and had viral load measurements for up to three years of ART.

To further estimate viral suppression among people who had fallen out of HIV care during a three-year interval, they looked to a Zambian study of viral suppression rates in a similar population and calculated an adjustment to viral suppression rates in the IeDEA population.

The estimation shows that among adults, 79% were virally suppressed after one year of ART, 72% after two years, and 65% after three years.

Among children and adolescents, 64% were virally suppressed after one year of ART, 62% after two years, and 59% after three years. These viral suppression rates illustrate how much farther global HIV treatment programs need to go to reach and sustain the UNAIDS 2030 targets.

Importantly, the even lower rates of viral suppression among children and adolescents with HIV underscore the need to improve approaches for achieving durable viral suppression in these age groups.

Source: Medindia

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