Indians from Central Brazil. A. lumbricoides (25.0%) and hookworms (33.6%) were the two
most common helminths; E. histolytica complex (7.8%) and G. lamblia (8.6%) the most
common protozoans. The majority (58.5%) of positive individuals hosted only one species of
helminth. Egg counts for helminths, and for A. lumbricoides in particular, were found to be
not dispersed at random, with a few individuals, all of whom young children, showing very …