Presence of Cryptosporidium parvum and Giardia lamblia in water samples from Southeast Asia: towards an integrated water detection system

Table 2 The prevalence of Cryptosporidium and Giardia (oo)cyst under microscopic examination with IMS technique in selected SEA countries

Country	Type of water	No. of samples	Cryptosporidium		Giardia
Country	Type of water	No. of samples	Positive sample n(%)	Mean concentration (oocyst/L)	Positive sample n(%)	Mean concentration (cyst/L)
Malaysia	Treated	9	N/D^a	N/D	N/D	N/D
Malaysia	Untreated	44	17 (38.6)	0.57 ± 1.41	22 (50.0)	0.92 ± 1.74
Thailand	Treated	27	N/D	N/D	N/D	N/D
Thailand	Untreated	93	25 (26.9)	0.22 ± 0.59	20 (21.5)	0.12 ± 0.3
Philippines	Treated	10	1 (10.0)	0.06 ± 0.19	1 (10.0)	0.02 ± 0.06
Philippines	Untreated	23	11 (47.8)	0.13 ± 0.18	16 (69.6)	8.90 ± 19.65
Vietnam	Treated	5	N/D	N/D	N/D	N/D
Vietnam	Untreated	10	N/D	N/D	5 (50.0)	0.51 ± 0.81

Treated water includes drinking water, water dispenser, mineral water, tap water and swimming pools
Untreated water includes rain water, springs, wells, recreational lake, rivers, waterfalls, canals/channels and effluent water
^aN/D means not detected

ISSN: 2049-9957