Table 1.

PCR-positive malaria infections

Patient	Village	Age (yrs)	Sex	Occupation	Species (by PCR)a	Expert microscopy	Time-to notification
141	Maesuad	16	F	Agric. worker	PF	1 PF ring	2 days
34	Maesuad	4	M	Child	PV	3 PV amoeboid forms	2 days
107	Maesuad	12	M	Child	PV	3 PV amoeboid forms	2 days
144	Maesuad	38	M	Labourer	PM	Negativeb	2 days
152	Maesuad	3	M	Child	PF/PM co-infection	1 ring, could not speciate	2 days
110	Hueypo	16	M	Child	PF/PM co-infection	1 ring, could not speciate	6 days
391	Hueypo	50	F	Agric. worker	PF/PM co-infection	Negative/Positivec	8 days
88	Hueypo	14	F	Child	PM	1 ring, could not speciate	6 days
390	Hueypo	18	F	Agric. worker	PM	1 ring, could not speciate	8 days

^aPF: P. falciparum; PV: P. vivax; PM: P. malariae.

^b Quality of blood film was poor.

^c Negative when examined before species-specific PCR; positive when examined afterwards.