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Continue to ChatThe surveillance PCR testing that we've been doing, like I said, it catches about 5% of people in time to act and it's extremely difficult to scale up PCR much. - Michael Mina from https://whatsmyquote.com/quote/the-surveillance-pcr-testing-that-we-ve-been-doing-like-i-said-it-catches-about-5-of-people-in-time-to-act-and