95. Every few years there is a news story about an outbreak of E. coli infection, which is a bacteria that can cause significant illness. But just as wine drinkers tended to be better protected against typhus in the old days, there is evidence that red wine is an effective antibacterial agent for E. coli. In this case, the active compounds are quercetin and an aromatic called caffeic acid, according to another paper from Argentina. Again, more reason to drink whole wine.