The low prevalence of injecting drug use in many countries of Sub-Saharan Africa and Latin America and the Caribbean may partly explain the limited availability of such measures in those subregions.
撒哈拉以南非洲及拉丁美洲和加勒比的许多国家在这些措施方面的可利用情况有限从某种程度上可能是由于注射毒品发生率很低的缘故。