carr2008molecularPediatric respiratory specimens collected in Ireland were screened for human metapneumovirus (hMPV). An indirect immunofluorescence assay was validated against a quantitative real-time RT-PCR assay, and viral loads (copies/mL) were quantified for 30 hMPV-positive respiratory specimens; genotypes included A2a, A2b, and B2 subclusters (B2a, B2b).