An epidemic of a novel coronavirus is affecting mainland China, along with cases in 28 other countries and territories. Some cases are under investigation in New York City. Originally identified in Wuhan, the capital of China's Hubei province, after people developed pneumonia without a clear cause. Our friend and chief medical correspondent, a title we bestowed upon him the moment he stepped into our humble studio. Doctor David Lee gives us the 411 on this new Coronavirus, the impact on the world and the readiness of NYC Hospitals are prepared for if an outbreak occurs.