Swine flu source spawns wild theories

"The claim of the conspiracy theorists is that this new combination could not have occurred naturally, but this is not true," the New Scientist's biology editor Michael Le Page wrote. "Flu viruses consisting of a mixture of human, swine and bird strains have been found before." Sound science, however, is no match for the Internet and unsubstantiated media reports when it comes to providing a forum for ideas that have forced responses from governments and companies alike.