Christopher Chang, MD, PhD, MBA, is a an allergist-immunologist in California. Dr. Chang is the immediate past chair of the American College of Allergy, Asthma and Immunolopgy Infectious Diseases and International Travel Committee. 

Dr. Chang is the medical director of the Division of Pediatric Immunology and Allergy at Joe DiMaggio Children’s Hospital. He treat patients with asthma, atopic dermatitis, immune deficiencies and many other conditions.

Dr. Chang is Chinese, has plans to travel to China in April and has many colleagues in China. In addition, his son lives and works in China and has been in constant contact since the virus appeared.