Experts are warning that the greatest threat to the pandemic recovery in the United States are the large swaths of Americans who remain unvaccinated. 

Over the past few weeks, the U.S. has seen a surge of coronavirus cases across the country in the wake of the highly infectious delta variant. The new strain has particularly wreaked havoc in states with low vaccination rates.

The state of Missouri has recently become a U.S. hot spot, averaging more than 2,100 cases per day over the last seven-day period, according to data from The New York Times. About 41 percent of the state population is fully vaccinated.

Florida, Arkansas, Louisiana and Nevada have also seen an increase in coronavirus cases.... Read More: The Hill