Human respiratory syncytial virus strain A2 (ATCC VR-1540™) is a whole-genome sequenced virus isolated from the lower respiratory tract of an infant with bronchiolitis and bronchopneumonia in Melbourne, Australia. Used in respiratory disease research and molecular assay development. Recommended companion products: Genomic RNA (Fisher Cat. No. 50-238-2423, ATCC VR-1540DQ™), HEp-2 cells (Fisher Cat. No. 50-238-5019, ATCC CCL-23™), EMEM (Fisher Cat. No. 50-238-2632, ATCC 30-2003™), and Fetal bovine serum (Fisher Cat. No. 50-238-3771, ATCC 30-2020™).