Children are most commonly infected. Estimated prevalence rates among children in various world regions are 4â28%. Ascariasis: Ascaris, or roundworm, infection is the common helminthic infection in humans, with an estimated worldwide prevalence of 1 billion. The causative organism, A lumbricoides, is cosmopolitan in distribution, being most abundant in tropical countries.
Definition of hollow. 1  1 : an unfilled space : cavity, hole in the hollow of a tree. 2  2 : a depressed or low part of a surface; especially : a small valley or basin.
Little Valley is a town in Cattaraugus County, New York, United States. The population was 1,740 at the 2010 census. The town is named after its local geographical setting, a relative comparison of two tributaries of the Allegheny River. The town of Little Valley is centrally located in the county, north of the city of Salamanca. The town contains a village also named Little Valley, which is the county seat.