This information and other articles on the efficacy of vitamin C for COVID 19 can be found here http://www.orthomolecular.org/resources/omns/index.shtml

Dr. Cheng is back with an update 03/19/20:

Here's a quick summary from the video below and article linked below:

50 patients dosage mild case of Covid-19: 10-20 grams of IV drip 8-10 hours, if critical 20 grams

Out of 50 related to severe, no one died, all recover. Significant improvement in recovery.

Final data still being finalized, average hospital stay is 3-5 day shorter than average patient

25 days. 360 covid-19 patients in Shanghai, this group they treated 50 of them.

1 case a patient was deteriorating rapidly, used oxygenation index, gave them 50 gr of vitamin c

Over period of 4 hours. Recorded literally the patient was healing in real-time from Dr. Mao.

Dr. Mao is part of the Senior Expert Team in Shanghai Public Health Center where all Covid-19 patients have been treated.