Behind the unproven H1N1 flu vaccine. Public health officials have been warning for some time that nothing about the flu is predictable. But here's something that is: When it comes to a new strain of the flu like H1N1, which has already stoked global fears of a massive pandemic, there's almost certain to be some overreaction. [News Source]

90,000 flu deaths: Where did that number come from? The problem with dire warnings is that the complacency scientists are in part trying to break may be caused by the very studies they tout – the crying wolf syndrome. [News Source]

Scientists can track progress of H1N1 flu in detail. The discovery of swine flu in Mexico this spring has triggered an unprecedented effort to penetrate the virus's genetic secrets to figure out where it came from, where it's spreading and what it might do next. [News Source]