A syncytial virus is a multi-nucleated virus which results from multiple cell fusions. Human respiratory syncytial virus (RSV) has a size of around 120 to 200 nm and is an enveloped virus with a linear minus-sense RNA genome. Human respiratory syncytial virus (RSV) causes complications such as bronchiolitis, asthma, chronic respiratory tract infections and acute otitis media in patients. Human respiratory syncytial virus (RSV) infects the lungs and breathing passages. Human respiratory syncytial virus (RSV) infection is experienced as a mild cold in healthy individuals while it can cause serious complications in infants and children younger than one year.