Never in the history of medicine in the US has a "case" been defined solely by a positive test result. Until now.
A "case" of the flu was counted when you went to the doctor because you were sick, and then tested positive.
Never in the history of medicine in the US has a "case" been defined solely by a positive test result. Until now.
A "case" of the flu was counted when you went to the doctor because you were sick, and then tested positive.
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