The global limits and population at risk of soil-transmitted helminth infections in 2010

Parasites & Vectors

Table 1 Summary of available STH survey data, by region

Region	Total number of surveys available^a	Unique survey locations^b	Countries with point-level data	Surveys located to district level^c
Asia and Oceania	1,052	312	32	1174
Sub-Saharan Africa	4,536	4,215	37	207
Latin America and Caribbean	593	294	17	116
North Africa and Middle East	147	19	6	115

^a Includes surveys that can be located to a point, second administrative or country level.
^b Surveys geo-located to longitude and latitude.
^c Surveys geo-located to the second administrative level.

ISSN: 1756-3305