| efficient diagnosis of giardiasis among nursery and primary school children in santiago, chile by capture elisa for the detection of fecal giardia antigens. | fecal samples were obtained from 722 of 820 children attending 7 nursery schools and 1 primary school in the city of santiago, chile. microscopy of formol-ether concentrates showed that 33% of the children were infected with giardia lamblia. prevalences among primary school students (5-10 years of age) of g. lamblia (38%), endolimax nana (43%), and entamoeba coli (25%) were overall higher than among nursery school students (3 months-5 years of age; prevalences 29%, 21%, and 16%, respectively). t ... | 1990 | 2372087 |