Prognosis
U.S. Covid-Test Positives Suggest Case Numbers Are Undercounted
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The U.S. is reporting record Covid-19 infections, but the true tally may be significantly higher.
Average daily cases reached about 405,000 in the past week, about 60% higher than the previous U.S. peak in January 2021, according to Johns Hopkins University data. But the numbers of tests reported by states are still running below their 2021 highs.