Abstract
We aimed to validate a direct immunofluorescence assay (DFA) for the detection of human metapneumovirus (hMPV) from nasal swabs and to determine the incidence and clinical features of this viral infection in a pediatric population. One hundred twenty-one of 3026 nasal swabs were positive for hMPV by DFA (4.0%). Compared with reverse transcriptase polymerase chain reaction, the sensitivity and specificity of DFA were 90%, and 100%, respectively. Compared with RSV, hMPV infection was more common in children with congenital abnormalities, particularly those with cardio-pulmonary dysplasia and was associated with an increased ventilatory requirement.
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