About a month ago, the World Health Organization released a statement condemning groups who claim that the WHO created a sense of fear and hysteria surrounding the H1N1 flu in order to help vaccine manufacturers sell vaccines. And at some level, it's not surprising that people have begun to question the effectiveness of the vaccine: I was vaccinated against H1N1 in January and haven't been sick since then, but that isn't proof, per se, that the vaccine prevented the flu.