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William Hanage: “surveillance is such that we’d not detect any such variant until it was already emerged and well established.” – CDC: No sign of homegrown U.S. coronavirus variant, but scientists need to look harder – The Washington Post washingtonpost.com/health/cdc-no-…


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William Hanage: “surveillance is such that we’d not detect any such variant until it was already emerged and well established.”



CDC: No sign of homegrown U.S. coronavirus variant, but scientists need to look harder – The Washington Post washingtonpost.com/health/cdc-no-…