Roughly 1.25 million people with 10% of Ellis Island arrivals, passed through the hospital from 1901 to 1924 to United States. The rest were quickly diagnosed as healthy and started their new lives in New York, while the rest forced to stay for medical treatment. The Ellis Island Immigration Hospital is a maze of hallways and wards where patients were organized by different diseases. For contagious diseases, the patients would be quarantined in the ward's for up to 21 days.