, Volume 58, Issue 1, pp 69-73
Date: 24 Jul 2012

The first reported cases of human cryptosporidiosis caused by Cryptosporidium hominis in Slovak Republic

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Cryptosporidiosis belongs to the important parasitic infections with zoonotic potential and the occurrence in European countries is rare. The first cases of cryptosporidiosis caused by Cryptosporidium hominis detected in the Slovak republic were described here. Collection of examined humans consisted of five family members. Faecal specimens were examined by formalin sedimentation, by the Sheather’s sugar flotation and by immunochromatography and visualised by the Ziehl–Neelsen acid fast stain. A fragment of the Cryptosporidium small subunit ribosomal RNA gene was amplified by nested polymerase chain reaction and species was determined by restriction fragment length polymorphism analysis with the endonucleases SspI and VspI. C. hominis was found in faeces of two immunocompetent siblings (a 7-year-old boy and a 2-year-old girl). The symptoms occurred only in the boy as gastrointestinal disorders lasting 5 days, and manifested by abdominal pain, an elevated body temperature (37.2 °C), mild diarrhoea, accompanied by lassitude, depression and anorexia. Ultrasonic scan revealed enlarged spleen and mezenteric lymph nodes. Microscopic examination of the stool sample revealed numerous Cryptosporidium oocysts. The DNA typing identified C. hominis subtype IbA10G2. Cryptosporidium was also detected in the boy’s sister without any complications and symptoms. Their father, mother and grandmother were parasitologically negative. The source of infection remained unknown. Human cases in present study reflect necessity of systematic attention on intestinal parasites diagnostic inclusive of cryptosporidia.