| prevalence of human metapneumovirus in central illinois in patients thought to have respiratory viral infection. | studies suggest that by age 5 years nearly all people have been exposed to metapneumovirus. to determine its prevalence in central illinois, we tested respiratory secretions by direct immunofluorescence staining from december to march. metapneumovirus was detected in 11/391 specimens. the distribution of metapneumovirus was bimodal, with the split being between children aged </=4 years and adults. | 2008 | 18234862 |