Tamiflu - no better than paracetamol?

The 2009 swine flu pandemic led the US and UK governments to spend two billion dollars stockpiling Tamiflu. But it may be no more effective in fighting flu than taking a simple paracetamol - that's according to an expert study, the Cochrane Review. We hear from one of the report's authors, Dr Carl Heneghan and Dr. Barry Clinch, principal scientist at the drug company that makes it.