id	keyword
hls-13465	sth
hls-13465	infection
hls-13465	children
hls-13465	specificity
hls-13465	study
hls-13465	sensitivity
hls-13465	health
hls-13465	complaints
hls-13465	soil
hls-13465	school
hls-13465	diarrhea
hls-13465	helminth
hls-13465	table