Table 5.

Summary of articles with epidemiologic data for Guatemala and Giardia lamblia, Entamoeba histolytica, or Cryptosporidium parvum^*

Parasite	Year	Location	Technique	Reference
Giardia lamblia, Entamoeba histolytica	1963–1972	Santa Maria Cauqué	Weekly stool study†	Melvin and Mata18
G. lamblia	1964–1969	Santa Maria Cauqué	Weekly stool microscopy	Farthing and others19
G. lamblia	1978–1979	Santa Maria Cauqué	Stool microscopy	Gupta and Urrutia20
Cryptosporidium parvum	1985–1986	Guatemala City	Stool microscopy and staining with methylene blue	Cruz and others21
E. histolytica, C. parvum, G. lamblia	1991	Guatemala, Peace Corps	Stool microscopy with AF and IF	Herwaldt and others22
G. lamblia, E. histolytica	1993	Guatemala City	Stool microscopy	Grazioso and others23
C. parvum	1997–1998	Guatemala City	Stool microscopy with AF and UV epifluorescence, confirmed by IF	Bern and others24
Cryptosporidium (4 subtypes)	1998–2000	China, Guatemala, India, Kenya, Portugal, Slovenia	Stool PCR for subgenotype analysis	Peng and others25
C. parvum	1999	San Juan	Serum IgG by ELISA	Steinberg and others26
G. duodenalis, Entamoeba sp.	2001	La Mano de Leon, Santa Maria de Jesus	Stool microscopy	Jensen and others27
C. parvum, G. lamblia	2001–2002	Sacatepéquez	Serum ELISA	Crump and others28
C. parvum	2001–2002	Lake Atitlan	Stool microscopy with AF	Laubach and others29
C. parvum	2003	Rural areas around Guatemala City	IF of drinking water	Dowd and others30
E. histolytica, G. lamblia	2004–2007	Palajunoj Valley	Stool microscopy	Cook and others13
E. histolytica, G. lamblia	2009	Antigua, Rio Dulce	Stool microscopy	Jensen and others31

^*AF = acid-fast staining; IF = immunofluorescence; UV = ultraviolet; PCR = polymerase chain reaction; ELISA = enzyme-linked immunosorbent assay.

^†Details of stool study method not reported.