How vulnerable might humans be to bird flu? Scientists see hope in existing immunity
Very few humans have gone up against bird flu. But we've all dealt with seasonal flu for years. Some of our immune systems might be primed to fend off a worse case, research finds.
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Very few humans have gone up against bird flu. But we've all dealt with seasonal flu for years. Some of our immune systems might be primed to fend off a worse case, research finds.
(Image credit: MATTHEW HATCHER/AFP)
