(See pages 1030–1 for the Photo Quiz) Figure 1. The dimensions and the unilateral, flattened shape of the longitudinally sectioned structures clearly identify these as eggs of Enterobius vermicularis (thin arrows). The thick arrow indicates an elongated structure protruding from 1 of the eggs; this represents a hatching larva trapped in the inflammatory mass (original magnification, ϫ40). Diagn...

Background: Enterobius vermicularis (formerly Oxyuriasis vermicularis), is a prevalent parasitic infection especially in preschool children worldwide. The present study aimed to explore the prevalence of Oxyuriasis and its influencing factors in kindergartens.Materials and Methods: A cross-sectional study was conducted on 175 children using multi-stage sampling method in Ali Abad-e-Katoul city-...