english: There are many reasons for these positive developments, but one of the most remarkable is in the increase in the number of people around the world on anti-retroviral therapy, the medicines they need to keep their HIV in check.
non_english: Mnogo je razloga za te pozitivne događaje, a među najneverovatnijima je porast broja ljudi širom sveta koji koriste anti-retroviralnu terapiju, lekove koji su im potrebni da HIV drže pod kontrolom.