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Influenza A positive viruses are then further subtyped with HA and NA gene specific primers. Sequencing and the phylogenetic analysis was performed for the H1N2 strain to understand its origin.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The outcome of this full genome study revealed a unique reassortment event where the N-1289 virus acquired it\u2019s HA gene from a 2009 pandemic H1N1 virus with swine origin and the other genes from H3N2-like viruses of human origin.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This study provides information on possibility of occurrence of reassortment events during influenza season when infectivity is high and two different subtypes of Inf-A viruses co-circulate in same geographical location.<\/jats:p><\/jats:sec>","DOI":"10.1186\/1743-422x-9-233","type":"journal-article","created":{"date-parts":[[2012,10,11]],"date-time":"2012-10-11T16:14:33Z","timestamp":1349972073000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Full genomic analysis of an influenza A (H1N2) virus identified during 2009 pandemic in Eastern India: evidence of reassortment event between co-circulating A(H1N1)pdm09 and A\/Brisbane\/10\/2007-like H3N2 strains"],"prefix":"10.1186","volume":"9","author":[{"given":"Tapasi Roy","family":"Mukherjee","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anurodh S","family":"Agrawal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sekhar","family":"Chakrabarti","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mamta","family":"Chawla-Sarkar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2012,10,11]]},"reference":[{"key":"2027_CR1","doi-asserted-by":"crossref","first-page":"8851","DOI":"10.1128\/JVI.73.10.8851-8856.1999","volume":"73","author":"NN Zhou","year":"1999","unstructured":"Zhou NN, Senne DA, Landgraf JS, Swenson SL, Erickson G, Rossow K, Liu L, Yoon K, Krauss S, Webster RG: Genetic reassortment of avian, swine, and human influenza A viruses in American pigs. 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