Abstract
Norovirus is an important cause of acute nonbacterial gastroenteritis in communities worldwide. It was evaluated the prevalence of norovirus infections in patients with acute gastroenteritis occurring in Seoul from May 2013 to April 2015, with regular surveillance. 7.3% (252/3,485) of the fecal specimens were determined to be positive for noroviruses by reverse transcription- polymerase chain reaction (RT-PCR). Norovirus genogroup distribution was 19.1% (48/252) genogroup GI, 71.4% (180/252) genogroup GII, and 9.5% (24/252) genogroup G1+GII respectively. It was most norovirus detection rates from November 2013 to March 2015. And it was rotavirus 0.2% (7/3,485), astrovirus 0.03% (1/3,485), sapovirus 0.03% (1/3,485) and, it was non-detective on adenovirus. Norovirus genotypes identified were nine kinds of genogroup GI (GI-1, GI-2, GI-3, GI-4, GI-6, GI-7, GI-8, GI-12, GI-14) and eight kinds of genogroup GII (GII-2, GII-3, GII-4, GII-5, GII-6, GII-7, GII-14, GII-16, GII-17). The genetic characteristics of norovirus and the epidemiological patterns of a viral pathogen from acute gastroenteritis patients may give potentially effective data for epidemiological studies in Seoul, Korea.
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