More than 9,000 U.S. health-care workers have contracted the new coronavirus and nearly three-quarters of them are women, according to federal data released Tuesday.

The figures from the Centers for Disease Control and Prevention offer the first nationwide snapshot of how the Covid-19 pandemic is hitting front-line caretakers. Twenty-seven health-care providers have died from the disease caused by the virus, and the median age of those caretakers infected was 42 years old, the CDC found.

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