The swine flu. Is it a deadly virus, which will wreak worldwide disaster? Or is it a less common mutation of regular seasonal influenza? Will millions of healthy adults die from exposure? What about healthy children? Or, will H1N1 kill only those with underlying medical conditions?
The experts battle over this contentious -- and alarming -- issue in the following series of clips. While some argue that heart disease is more deadly than H1N1, others warn of the grave national security risk the virus presents.
Watch and join the conversation about the threat of swine flu.