Your Query returns 10 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
NS2aX5746911060NS1   
NS2AM5550611072
NS2AM7371011072
NS2AM8472711060
NS2AM8472811060
NS2AAJ29944564312
NS2AX6939511053
NS2AX6939611053
NS2aAY39177731631
NS2aNC_00514731631

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* OMIM link based on symbol match for human and mouse.

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Text2Knowledge ... Yong Huang 2002