Rainbird on 24 September 2009
Okay, that's great, but if I am reading the article right, it sounds like the gave one group of people the vaccine and a placebo for another and told everyone to go on with their lives. Yes, 31% does sound like an implausable difference statistically, but I could easily imagine this result being due to people having different lifestyles and/or luck. Even though it's in Tailand...
