Molecular characterization of rotaviruses circulating in the population in Turkey

O. Cataloluk, M. Iturriza, J. Gray

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Of a total of 508 stool specimens from children with acute diarrhoea, mostly under the age of 5 years, collected in nine cities in the western and southeastern regions of Turkey between May 2000 and October 2002, 119 (23.4%) were found positive for rotaviruses (RV) by ELISA. Positive samples were characterized by electropherotyping and G and P genotyping. A subset of G and P types were confirmed by nucleic acid sequencing. The most prevalent types found in this collection included G4P[8], accounting for 27/64 (42.2%) of the fully characterized strains. G1P[8], G2P[4] and G3P[8] were found in 17 (26.6%), 2 (3.1%) and one (1.5%) samples respectively. Less common strains such as G9P[8] were found in two (3.2%) samples and G2P[8], G1P[6], G2P[6] and G4P[6], possible reassortant viruses, were found in five (7.8%), 2 (3.1%), one (1.5%) and four (6.3%) samples respectively. Mixed infections were found in six (7.3%) samples and were associated with combinations of G1 + G2, G1 + G4, G1 + G9 and G4 + G9 strains. This is the first molecular epidemiology study of its kind to be carried out in Turkey and suggests a significant diversity of co-circulating rotavirus strains.
Original languageEnglish
Pages (from-to)673-678
Number of pages6
JournalEpidemiology and Infection
Issue number4
Publication statusPublished - 2005

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