HIV is an ongoing global public health challenge, with 38 million people living with HIV and 1·7 million new HIV infections in 2019 worldwide. 1 UNAIDS
Global AIDS Update 2020. Seizing the moment: tackling entrenched inequalities to end epidemics.

UNAIDS, Geneva, Switzerland2020

Although considerable progress has been made in scaling up antiretroviral therapy, with 25·4 million (66%) people accessing treatment globally by 2019, 1 UNAIDS
Global AIDS Update 2020. Seizing the moment: tackling entrenched inequalities to end epidemics.

UNAIDS, Geneva, Switzerland2020

declines in HIV incidence have been slower than expected. The annual global number of new HIV infections declined by 1 million over two decades from 2·7 million in 2000 to 1·7 million in 2019. A nuanced understanding of HIV incidence trends is required to guide HIV prevention and ensure that the priority groups are identified and reached.