| molecular epidemiology of human respiratory syncytial virus over three consecutive seasons in latvia. | lower respiratory tract infections caused by the human respiratory syncytial virus (hrsv) represent an immense burden of the disease, especially in young children. this study aimed to investigate the evolutionary history of hrsv strains isolated in the children's clinical university hospital (riga, latvia) over three consecutive hrsv seasons. of 207 samples from children hospitalized with lower respiratory tract infections, 88 (42.5%) tested positive for hrsv by rt-pcr. the seasonal activity sta ... | 2014 | 24301088 |