Hops, what can't they do?

Sapporo has released a study showing that Humulone, a compound in hops, has anti-viral properties.

http://www.microbeworld.org/index.php?option=com_jlibrary&id=9802&view=article

Of course, you'd need to have about 30 or so Sapporos a day to receive the effect. The study doesn't say anything about IPA's though!