12 ore 12 marzo 2020 anni - USA Today: No Clear CDC Tracking "limited transparency" "CDC neither publishes nor collects comprehensive data" "no one knows how many Americans have been tested or are infected" "It is really hard to understand why they haven't been prepared"

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https://www.usatoday.com/story/news/nation/2020/03/12/coronavirus-test-data-us-public-health-response/5037148002/

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