U.S. COVID-19 Cases Exceed 27 Million as New Variants Spread Rapidly
The United States surpasses 27 million COVID-19 cases amid the rapid spread of new variants, prompting health experts to urge continued vigilance as global implications loom.
New Variants
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U.S. Intensifies Efforts to Track New COVID-19 Variants
The U.S. CDC is intensifying efforts to track new, more contagious COVID-19 variants. Experts believe the variants are more widespread, prompting global attention.