The investigations of ancylostomiasis/necatoriasis infections were conducted at four study sites in Quang Nam, Quang Ngai, Gia Lai and Dak Lak provinces. The study found that the overall ancylostomiasis/necatoriasis infection at the study sites was 20.88 percent, with Eakenh commune (Krong Pach district, Dak Lak) having the highest infection rate (27.31 percent) and Dien Tho commune (Dien Ban district, Quang Nam province) having the lowest infection rate (12.55 percent). The study also reported an overall mild intensity of infection at an average of 186.33 eggs. The infected cases were treated with albendazole 400mg (India) and mebendazole 500mg (Vietnam) for ten days; and the egg clearance rates byalbendazole in two study sites were from 90.74 to 95.83 percent; and the egg clearance rates by mebendazole in the two other sites were from 87.14 to 91.66 percent; and the overall egg reduction rate of the two antelminthics was 97.65 percent.
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