Human Cystic Echinococcosis in Zanjan Area, Northwest Iran: A Retrospective Hospital Based Survey between 2007 and 2013.

Background: Hydatidosis is the most important zoonotic disease that causes significant economic losses and public health problems worldwide. This study was conducted to evaluate retrospectively 136 patients diagnosed with hydatid cyst disease at two university medical centers between 2007 and 2013 in in Zanjan area, northwest Iran.

Methods: We surveyed medical records of infected patients with hydatid cyst who had been operated in two hospitals in Zanjan City, northwest, Iran.

Prevalence and virulence characteristics of enteroaggregative Escherichia coli in a case-control study among patients from Iran.

Enteroaggregative Escherichia coli (EAEC) is an important agent of diarrhoeal diseases worldwide. The role of EAEC virulence factors in the clinical outcome of infection is not completely defined. This case-control study investigated the prevalence of EAEC, its virulence genes and the antimicrobial resistance profile of adult patients with and without diarrhoea attending three different hospitals in Zanjan, Iran.