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The school board in Union County, North Carolina, took a vote Monday.
The United States is facing a COVID-19 surge this summer as the more contagious delta variant spreads.
More than 659,000 Americans have died from COVID-19 while over 4.6 million people have died from the disease worldwide, according to real-time data compiled by the Center for Systems Science and Engineering at Johns Hopkins University.
Just 63% of Americans ages 12 and up are fully vaccinated against COVID-19, according to data from the Centers for Disease Control and Prevention.