YouTube updates of Dr. Richard Cheng has proven to everyone that high doses of vitamin C have been successfully used to treat Covid-19 patients in China. Dr. Cheng is not just an armchair scientist, He has been actively involved in researching and posting videos on his discoveries. Dr. Cheng was the one who brought high dose vitamin C to the table as part of potential treatment and preventive measures. A group of medical doctors, healthcare providers and scientists met online March 17, 2020, to discuss the use of high dose intravenous vitamin C (IVC) in the treatment of moderate to severe cases of Covid-19 patients. The chief of emergency medicine department at Ruijin Hospital, a major hospital in Shanghai, affiliated with the Joatong University College of Medicine,Dr. Enqian Mao was in attendance. Dr. Mao is also a member of the Senior Expert Team at the Shanghai Public Health Center, where all Covid-19 patients have been treated. Dr. Mao revealed that ...