Good story, shame about the evidence (Image: Chris Casciano)

HEARD the latest? The swine flu pandemic was a hoax: scientists, governments and the World Health Organization cooked it up in a vast conspiracy so that vaccine companies could make money.

Never mind that the flu fulfilled every scientific condition for a pandemic, that thousands died, or that declaring a pandemic didn’t provide huge scope for profiteering. A group of obscure European politicians concocted this conspiracy theory, and it is now doing the rounds even in educated circles.

This depressing tale is the latest incarnation of denialism, the systematic rejection of …