Epidemiological metrics for the HIV epidemic

Extraordinary progress has been made to halt and reverse the spread of HIV. However, there is still a long way to go to end the epidemic, as called for in the third Sustainable Development Goal. This Special Collection reviews metrics to understand progress in diverse HIV epidemics. It considers both the public health and the human rights lessons learned from other infectious diseases and provides suggestions to evaluate the success of global, national and local HIV responses. 

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