<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.zikilinganishwa na tathmini ya mwaka 2012, ripoti za who inasema idadi haijapungua katika viwango vya maambukizi mapya na yaliyopo ya magonjwa ya zinaa .  <response>: compared with its last global analysis in 2012, who warns that there has been no substantive decline in the rates of new or existing infections. 