Return of swine flu: What’s ahead for Americans? Get ready. With flu's favorite chilly weather fast approaching, we're going to be a sick nation this fall. The big unknown is how sick. One in five people infected or a worst case — half the population? The usual 36,000 deaths from flu or tens of thousands more? [News Source]

Return of swine flu: What’s ahead for Americans? Get ready. With flu's favorite chilly weather fast approaching, we're going to be a sick nation this fall. The big unknown is how sick. One in five people infected or a worst case — half the population? The usual 36,000 deaths from flu or tens of thousands more? [News Source]

Lethal infection ‘a flag’ in flu watch. As officials prepare for an anticipated second, and possibly third wave of pandemic H1N1 influenza, experts are trying to make sense of what makes the rogue virus a lethal infection for some people. [News Source]

Health hazards of modern-day living. In the process of seeking to make life and living easier, we could be spawning new, unseen “enemies” that threaten our health in ways never before anticipated. [News Source]

UN warns over swine flu in birds. The discovery of swine flu in birds in Chile raises concerns about the spread of the virus, the UN warns. [News Source]

UN warns over swine flu in birds. The discovery of swine flu in birds in Chile raises concerns about the spread of the virus, the UN warns. [News Source]

Poultry at risk after H1N1 in Chile turkeys. It is now evident that poultry can be at risk--after the outbreak of H1N1 flu in turkeys in Chile was reported last week. So, the United Nations' food agency is urging an improvement in animal health controls. [News Source]

WHO: Governments should brace for “explosion” of swine flu cases. The global spread of swine flu will endanger more lives as it speeds up in the coming months and governments must boost preparations for a swift response to a coming “explosion” of cases, the World Health Organization said Friday. [News Source]

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]

Swine flu was a warning shot. How can we do better against the next pandemic? This spring we were caught with our public-health pants down. Preparing for the next big threat will be difficult but not impossible. [News Source]