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Microsporidia is a phylum of intracellular parasites that secrete spores and stay in water sources. These parasites can cause infection in humans by invading the digestive system, the urinary system, the muscular system and the eye. Recently, the Israeli Ministry of Health announced that dozens of people in Israel were suspected of being infected with microsporidial keratitis after bathing in the waters of the Kinneret (Sea of Galilee). Here we present a brief overview of this microsporidial keratitis as well as three case presentations.

In recent years search engines have become an essential tool in the work of physicians. This article will review advanced search techniques from the world of information specialists, as well as some advanced search engine operators that may help physicians improve their online search capabilities, and maximize the yield of their searches. This article also reviews popular dedicated scientific and biomedical literature search engines.