epidemiologic characteristics and seasonal distribution of human metapneumovirus infections in five epidemic seasons in stockholm, sweden, 2002-2006. | the presence of human metapneumovirus (hmpv) was analyzed retrospectively by reverse transcriptase-polymerase chain reaction (rt-pcr) in five epidemic seasons, in stockholm, 2002-2006. the occurrence of hmpv was compared with five common respiratory viruses; respiratory syncytial virus, influenza a virus, influenza b virus, parainfluenza virus and adenovirus. with a detection rate of 2.9% (n = 143/4,989) in nasopharyngeal samples over the whole period, hmpv was the fourth most common respiratory ... | 2008 | 18649344 |