Head and neck manifestations of langerhan's cell histiocytosis in children: a 46-year experience.

Objective: Langerhan's cell histiocytosis (LCH) is an uncommon disease characterized by abnormal proliferation of polyclonal Langerhan's cells, most commonly presenting with head and neck manifestations. This is a report of a series of patients with LCH at St. Jude Children's Research Hospital over a 46-year period.

Host feeding patterns of potential vectors of eastern equine encephalitis virus at an epizootic focus in Tennessee.

In 2006, 2,817 blood-fed mosquitoes were collected from the site of a 2005 eastern equine encephalitis outbreak in Chester County, TN. Using a polymerase chain reaction-based assay, 264 vertebrate hosts were identified from seven mosquito species. Culex erraticus and Cx.