From Science Daily:ScienceDaily (Mar. 30, 2009) — For some people it is a certainty: as soon as the annual flu season gets underway, they are sure to go down with it. It is little comfort to know that there are other people who are apparently resistant to flu or overcome the illness after just a couple of days. It is this phenomenon that is now being investigated by researchers at the Helmholtz Center for Infection Research, using various strains of mice.
"Where there are many scientific works dealing solely with the flu virus, we have investigated how the host reacts to an infection," says Klaus Schughart, head of the Experimental Mouse Genetics research group. In infection experiments the researchers have now discovered that an excessive immune response is responsible for the fatal outcome of the disease in mice. This overreaction has genetic roots.
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