human metapneumovirus prevalence and molecular epidemiology in respiratory outbreaks in ontario, canada. | human metapneumovirus (hmpv) has been identified previously as a cause of respiratory outbreaks in adults, including the elderly. the objective of this study was to document respiratory outbreaks that were caused by hmpv in ontario, canada and to identify the various circulating genotypes during april 2009-february 2012. the majority of the outbreaks that were part of this study were in adults (>65 years). total nucleic acid extraction was done on 123 residual anonymized clinical specimens from ... | 2015 | 25091145 |