The number of Internet scammers offering fake anti-swine flu drug Tamiflu has surpassed those selling counterfeit Viagra, a UK body said Friday. Since the H1N1 virus, also known as swine flu, was declared a global pandemic last month, there has been an increase in the number of Web sites and junk emails offering Tamiflu for sale. More than 70,000 people have now been infected with the virus, according to the World Health Organization