Word: swine
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...says Nathan Wolfe, director of the Global Viral Forecasting Initiative, which looks for new pathogens emerging from wildlife. One way to start would be to trace how, when and where the H1N1 virus emerged from pigs into people (or vice versa - over the weekend, Canada confirmed reports that a swine worker in Alberta passed the H1N1 virus to pigs). The H1N1 virus contains human, avian and swine flu genes, and genetic analysis indicates that it reassorted years ago, meaning it could have been in pig populations for some time before the virus gained the ability to transmit easily from person...
...unlike diseases like foot and mouth, swine flu is not an infection that is automatically reported to national health authorities. Flu is common among pigs but not much more deadly than it usually is among people. (The H5N1 bird flu virus, by comparison, destroys poultry populations.) That means that flu infections in swine herds can easily fall under the radar, as seems to have been the case with the new H1N1. Though there were sporadic reports of flu infections passing from pigs to people over the past few years, "we hadn't seen anything that tipped us off that this...
...genes), then moved to America and Mexico with pigs before infecting the first human. "It's going to take several weeks and maybe months to get a clearer picture," says Juan Lubroth, a senior officer at the FAO. "There's just a lot that we don't know." (Read "Swine Flu: Don't Blame...
...pictures of the swine flu in Mexico...
...pictures of soccer in the time of swine...