Coronavirus spreads. But don't panic! (topical thread)

[Paleophyte]

Because coronavirus isn't the common cold and an 8% reduction in duration isn't very meaningful. Most North Americans have a lot of vitamin C in their diet anyway, so it's going to be present in both your study populations.

Oh, and:

If you want the benefits of vitamin C, you'll need to consume it every day, and not just at the start of cold symptoms.