| molecular characterization of human respiratory syncytial virus in the philippines, 2012-2013. | human respiratory syncytial virus (hrsv) is a major cause of acute lower respiratory tract infections in infants and children worldwide. we performed molecular analysis of hrsv among infants and children with clinical diagnosis of severe pneumonia in four study sites in the philippines, including biliran, leyte, palawan, and metro manila from june 2012 to july 2013. nasopharyngeal swabs were collected and screened for hrsv using real-time polymerase chain reaction (pcr). positive samples were te ... | 2015 | 26540236 |