Sites are most concentrated in Brooklyn and the Bronx, where new diagnoses were most common last year. Fewer sites are located in outer neighborhoods, a fact the health department attributes to lower numbers of health centers.
A map of New York City shows zip code blocks in colors ranging from yellow to purple. Darker colors reflect a greater number of HIV testing sites, and are visible in Manhattan and central areas of Brooklyn and the Bronx. Lighter colors reflect fewer facilities, and are generally visible in Staten Island, Queens and outer neighborhoods of Brooklyn and the Bronx.