In its latest global report on the pandemic, which has killed about 35 million people worldwide since it began in the 1980s, the UNAIDS agency said there were particularly encouraging signs in Africa, a continent ravaged by the disease.
Among the most significant impacts of a vast scale-up of HIV testing, treatment and prevention programs has been in the reduction of AIDS-related deaths, which have dropped by almost half since 2005.
Globally in 2016, 19.5 million of the 36.7 million people with HIV had access to treatment, and AIDS-related deaths fell to 1 million from 1.9 million in 2005.
"We met the 2015 target of 15 million people on treatment and we are on track to double that number to 30 million and meet the 2020 target," Mr Sidib said.
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