I ran across this study, it's highly technical but goes into great length about Vit C and the Chinese/Wuhan flu.
COVID-19, ARDS & Cell-Free Hemoglobin - The Ascorbic Acid Connection - EvolutaMente.itInitial onset of symptoms:
3 to 5 g in one dose, followed by 1 g every 30 to 60 mins for the following 3 hours. Repeat this cycle until symptoms subside.
Milder cases:
2 to 5 g in one dose, followed by 1 g every hour for the following 4 – 6 hours. Repeat this cycle until symptoms subside.
Severe/critical cases:
10 g in one dose, followed by 2 g every 15 to 30 mins for the following 2 hours. Repeat this cycle until symptoms improve.