U.S adults usually catch one or two common colds a year. They’re usually little more than an annoyance, but new research suggests they may offer some protection from a virus that’s much more dangerous. Henry Ridgwell reports from London.
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U.S adults usually catch one or two common colds a year. They’re usually little more than an annoyance, but new research suggests they may offer some protection from a virus that’s much more dangerous. Henry Ridgwell reports from London.
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