Abstract
Human Respiratory Syncytial Virus (hRSV) and Human Metapneumovirus (hMPV) are the most common pathological agents of respiratory diseases in newborns, children and the elderly, causing diseases such as bronchiolitis and pneumonia. Among various proteins encoded by viruses, M2-1 stands out for acting as a transcriptional cofactor that prevents premature dissociation of the polymerase compl…