Editing Gastroenteritis (section)

===Parasitic===
A number of [[parasites]] can cause gastroenteritis.<ref name=Webb2005/> ''[[Giardia lamblia]]'' is most common, but ''[[Entamoeba histolytica]]'', ''[[Cryptosporidium]]'' spp., and other species have also been implicated.<ref name=Webb2005/><ref name="CDC Travelers'" /> As a group, these agents comprise about 10% of cases in children.<ref name=BMJ2007 /><ref name="CDC Travelers'" /> ''Giardia'' occurs more commonly in the developing world, but this type of illness can occur nearly everywhere.<ref name="Giar2010">{{cite journal|last=Escobedo|first=AA|author2=Almirall, P |author3=Robertson, LJ |author4=Franco, RM |author5=Hanevik, K |author6=Mørch, K |author7=Cimerman, S |title=Giardiasis: the ever-present threat of a neglected disease|journal=Infectious Disorders Drug Targets|date=October 2010 |volume=10|issue=5|pages=329–48|pmid=20701575|doi=10.2174/187152610793180821}}</ref> It occurs more commonly in persons who have traveled to areas with high prevalence, children who attend [[day care]], [[men who have sex with men]], and following [[disasters]].<ref name=Giar2010/>