South Africa identifies new coronavirus variants

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Why are coronavirus cases and hospitalizations increasing in the United States?

With coronavirus infection rates rising again, many Americans are wondering why the United States is experiencing a surge in cases and hospitalizations again, despite widespread vaccination. The United States currently reports over 94,000 new COVID-19 cases daily, an increase of 47% since late October. Experts say that more than 100 million Americans remain completely unvaccinated, cold weather and relaxed restrictions, highly contagious delta variants, and a decline in vaccine immunity. It is likely that it is driving an increase in recent infections.