The rise in the number of cases can be best categorized by specific groups in the population.First, the age group that is most affected are 15–24 years old.From 2007 there has been a shift in the predominant trend of sexual transmission from heterosexual contact (20%) to males having sex with other males (80%) From 1984 to 2015, the region with the most number of reported cases were Metro Manila with 11,081 (44%), Region 4A with 3,230 (13%) cases, Central Visayas with 2,260 (9%) cases, Region 3 with 2,025 (8%) cases and Region 11 with 1,460 (6%) cases.3,734 (15%) of cases were distributed around the rest of the country while 1,146 (5%) had no data on the region.
It is not the injectable drugs but the sharing of needles, which opens the risk of transmission of fluids, greatly exposing the risk of contracting the virus .
, the Philippines is a low-HIV-prevalence country, with less than 0.1 percent of the adult population estimated to be HIV-positive.
As of April 2015, the Department of Health (DOH) AIDS Registry in the Philippines reported 24,936 cumulative cases.
Of the cumulative total of 1,097 infected MSMs from 1984 to 2008, 49% were reported in the last three years (72% asymptomatic); 108 have died when reported, and slightly more MSMs were reportedly already with AIDS (30%).
Among MSM's, ninety percent of the newly infected are single (up to 35% of past cases reported involved overseas Filipino workers or OFWs and/or their spouse), with the most of the affected people now only 20 to 34 years old (from 45 to 49 years old in the past).