They have been treating patients in Shanghai with 12,000-24,000 mg of intravenous Vitamin C a day and have been having success with this treatment.
They started doing the first clinical placebo study trial for the use of intravenous Vitamin C against Covid-19 in February and hope to complete the study by September:
Clinical trial:
Shanghai officially treats Covid-19 with intravenous Vitamin C and update from Dr. Richard Cheng:
Vitamin C treatment protocol and how to request it in a hospital for yourself or a loved one: