This month, the World Health Organisation (WHO) – the UN agency that coordinates international health responses – launched a new set of guidelines for HIV prevention, diagnosis, treatment and care for key populations. The new document is the culmination of months of consultation and review, and pulls together existing guidance for five groups: men who have sex with men, people in prisons and other closed settings, sex workers, transgender people, and people who inject drugs. These key populations are the most-at-risk of HIV, yet the least likely to access services – a fact that “threatens global progress on the HIV response” according to WHO. By consolidating previous guidance, the document is able to highlight common barriers and needs – including recommendations for legal reforms to support service delivery.

The guidance puts forward a “comprehensive” package of interventions that governments should provide:
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