A group of patients was found to have a special form of recurrent corneal erosion caused by types I and II herpes virus. This form represents an independent form of ophthalmic herpes - herpetic recurrent erosion (HRE) of the cornea. The herpetic etiology of recurrent corneal erosion was confirmed by the immunofluorescence study of scraping from the conjunctiva, which revealed a high concentration of the herpes simplex virus antigen.
View Article and Find Full Text PDFExtant Canis lupus genetic diversity can be grouped into three phylogenetically distinct clades: Eurasian and American wolves and domestic dogs. Genetic studies have suggested these groups trace their origins to a wolf population that expanded during the last glacial maximum (LGM) and replaced local wolf populations. Moreover, ancient genomes from the Yana basin and the Taimyr peninsula provided evidence of at least one extinct wolf lineage that dwelled in Siberia during the Pleistocene.
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