You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is The most common cause of bronchiolitis is: and explain in detail?
M/C organism causing Bronchiolitis is RSV Other organisms are :- Influenza virus Parainfluenza virus Human metapneumovirus Coronavirus Adenovius Rhinovirus Palivizumab injection is used to prevent serious lung infection in children and babies caused by respiratory syncytial virus (RSV).