Background: A number of suspected endemic districts with Trachoma have not been mapped in Malawi, and this contributes to delays for scaling up trachoma control activities. Objectives: To determine the prevalence of trachoma and associated risk factors in one of the suspected endemic districts (Salima District) in central Malawi and to generate information to guide policy decisions. Methods: A ...

This paper report on a new species of mites of the genus Myrmozercon associated with ant in Iran - Myrmozercon cyrusi Ghafarian and Joharchi sp. n. was collected associated of the Monomorium sp. in Kenevist Rural District in the Central District of Mashhad County, Khorasan Razavi Province, Iran. This new species is described and illustrations provided. Myrmozercon ovatum Karawajew, 1909 is susp...

We develop a positive theory of parking fees or cordon tolls in downtown commercial districts of cities. The model accounts for the special interests of both downtown traditional retailers and superstores at the edge of the city, and it studies how lobbying activities by such groups shapes the government’s policy. Our baseline model shows that central city retailers typically have steeper lobby...