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This content was originally published by MarketWatch.com - Top Stories. Original publishers retain all rights. It appears here for a limited time before automated archiving. By MarketWatch.com - Top Stories
The first documented U.S. cases of the coronavirus that causes COVID-19 actually occurred in early February and not March 9 as health officials in California believed, after Santa Clara County identified at least three cases in people who died at home and were tested during autopsies.