| diversity of murine norovirus strains isolated from asymptomatic mice of different genetic backgrounds within a single u.s. research institute. | antibody prevalence studies in laboratory mice indicate that murine norovirus (mnv) infections are common, but the natural history of these viruses has not been fully established. this study examined the extent of genetic diversity of murine noroviruses isolated from healthy laboratory mice housed in multiple animal facilities within a single, large research institute- the national institute of allergy and infectious diseases of the national institutes of health (niaid-nih) in bethesda, maryland ... | 2011 | 21738664 |