Coronavirus live updates: US to ban travelers entering from South Africa, UK, 28 other countries

Coronavirus outbreak: What you need to know

Millions of people across the U.S. and worldwide have been diagnosed with COVID-19 since the novel coronavirus was first detected in China in late 2019. Hundreds of thousands of people have died of the viral infection.

Here are the latest updates:

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The Associated Press contributed to this report.

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