Figure 2
A multivalent vaccine could target all three soil-transmitted helminths and schistosomiasis. Reproduced, with the permission of the publisher, from Global Health Observatory Map Gallery, Geneva, World Health Organization: top panel (28), © 2012 (https://doi.org/gamapserver.who.int/mapLibrary/Files/Maps/STH_2011_global.png, accessed 2014 Nov 25); bottom panel (29), © 2013 (https://doi.org/gamapserver.who.int/mapLibrary/Files/Maps/Schistosomiasis_2012.png, accessed 2014 Nov 25).