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 Measles virus is and explain in detail?
Measles (rubeola) is caused by an RNA virus belonging to the Paromyxovirus family. The virus is transmitted by droplet spread from the secretions of the nose and throat usually 4 days before and 5days after the rash. Virus multiplies in the respiratory epithelium. Reference: Essential pediatrics,op ghai,9 th edition, pg no:209