This never before seen virus has already killed at least two people. Nbc bay areas jean elle is at sfo where Health Screenings begin tomorrow. Reporter thats right, raj and jessica. The concern tonight is this virus can spread from person to person, so the cdc is coming here to sfo tomorrow to begin screening passengers arriving from wuhan, china, where this virus originated. Travelers from china arriving at sfo tonight. With the Chinese New Year approaching, its a popular time to visit loved ones. Fever and cold or flu symptoms. At sfo, Health Screenings begin saturday when the first direct flight from wuhan arrives. In the pligflight arrives, er connecting or nonstop passengers from wuhan would be diversitied to a separate area inside the customs facility where they would go through this interview and screening process. Reporter 45 cases of the virus have been reported with two deaths. This is a virus that affects the lungs, so it sounds a little bit like influenza. Fever, chills, ac