Abstract
The novel GII.P17-GII.17 norovirus genotype has been reported as cause of gastroenteritis outbreaks in China and Japan since the winter season 2014/15, replacing the pandemic strain GII.4 Sydney 2012. These emergent strains have also been sporadically reported on other continents than Asia. GII.P17-GII.17 isolates, similar to Kawasaki308 2015, were identified in three patients during a large outbreak of acute gastroenteritis affecting 328 people in Romania, in neighbouring localities, in 2015.
Highlights
We present molecular evidence for the circulation of emergent norovirus GII.P17-GII.17 strain during an outbreak of acute gastroenteritis that occurred in Arad, a county in the western part of Romania, in 2015
Strains belonging to the novel GII.P17-GII.17 norovirus genotype were detected in Korea in 2013 and have been associated with gastroenteritis outbreaks in China and Japan since 2014/15 winter season, replacing the previously dominant strain GII.4
We report here the detection of GII.P17-GII.17 norovirus isolates highly related to Kawasaki308 strain (99.15% nt sequence similarity in the analysed fragment), identified in Japan in 2015
Summary
We present molecular evidence for the circulation of emergent norovirus GII.P17-GII. strain during an outbreak of acute gastroenteritis that occurred in Arad, a county in the western part of Romania, in 2015. Between 16 October and 1 December 2015, an outbreak of acute gastroenteritis was recorded in Arad, a county in the western part of Romania, bordering Hungary, with ca 400,000 inhabitants. The first cases were notified by a local hospital to Arad Public Health Department on 18 October 2015. Suspected cases were defined as patients with three or more loose stools in a 24-hour period, and/or two or more episodes of vomiting in a 24-hour period. Five stool samples collected between 25 October and 7 November 2015 from patients with acute gastroenteritis were received for molecular diagnostic and genotyping at Cantacuzino National Institute of Research in Bucharest. A fragment of 1111 nt spanning ORF1-ORF2 (RdRp-VP1) junction, region recommended for norovirus typing, was amplified using primers JV12 and G2SKR [4,5]
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Schedule a callMore From: Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin
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