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Scientists discover hidden army of lung flu fighters
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Scientists discover hidden army of lung flu fighters

by Jules Bernstein, University of California – Riverside This image illustrates the very beginning stages of an influenza (flu) infection in the respiratory tract. Credit: CDCScientists have long thought of the fluid-filled sac around our lungs merely as a cushion from external damage. Turns out, it also houses potent virus-eating cells that rush into the lungs...