Different MOA (Method of action). Go over DrB
Post# of 148278
Go over DrBP's video at tedx.
TLDR : It is not an anti viral. It changes the polarity of the response so that it is anti inflammatory. This turbo charges the normal immune system (instead of over loading it , exhausting it). The immune system then just does its thing at full power. It is this immune system response that reduces the viral load.