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Microscopy was used as a screening test. <jats:italic>Giardia duodenalis<\/jats:italic> was also identified using a commercial ELISA for the detection of parasite-specific coproantigens. <jats:italic>Giardia<\/jats:italic>-positive samples by microscopy\/ELISA were confirmed by real-time PCR and characterized using a multilocus genotyping scheme. <jats:italic>Blastocystis<\/jats:italic> sp. was genotyped in a sample subset. <jats:italic>Blastocystis<\/jats:italic> sp. (11.1%, 95% CI 11.4\u201214.8%) and <jats:italic>G. duodenalis<\/jats:italic> (1.56%, 95% CI 1.22\u20121.96) were the most prevalent pathogens found. <jats:italic>Cryptosporidium<\/jats:italic> spp., <jats:italic>Entamoeba histolytica<\/jats:italic> and intestinal helminths were only sporadically (&lt;0.5%) found. For <jats:italic>G. duodenalis<\/jats:italic>, sequence (<jats:italic>n<\/jats:italic> = 30) analyses revealed the presence of sub-assemblages AII (23.3%), discordant AII\/AIII (23.3%) and mixed AII + AIII (6.7%) within assemblage A, and BIII (10.0%), BIV (3.3%) and discordant BIII\/BIV (23.3%) within assemblage B. Two additional sequences (6.7%) were assigned to the latter assemblage but sub-assemblage information was unknown. No associations between <jats:italic>G. duodenalis<\/jats:italic> assemblages\/sub-assemblages and sociodemographic and clinical variables could be demonstrated. For <jats:italic>Blastocystis<\/jats:italic> sp., sequence (<jats:italic>n<\/jats:italic> = 6) analyses identified subtypes ST1, ST2 and ST3 at equal proportions. This is the first molecular characterization of <jats:italic>G. duodenalis<\/jats:italic> based on MLG conducted in Turkey to date.<\/jats:p>","DOI":"10.1017\/s0031182020001821","type":"journal-article","created":{"date-parts":[[2020,9,28]],"date-time":"2020-09-28T08:33:52Z","timestamp":1601282032000},"page":"550-561","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":11,"title":["Detection of enteric parasites and molecular characterization of <i>Giardia duodenalis<\/i> and <i>Blastocystis<\/i> sp. in patients admitted to hospital in Ankara, Turkey"],"prefix":"10.1017","volume":"148","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9433-2126","authenticated-orcid":false,"given":"Fakhriddin","family":"Sarzhanov","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pamela 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