Reaching the unvaccinated will be crucial to boosting immunization rates to the 70% to 90% scientists believe is needed for herd immunity. Right now, about 40% of American adults have gotten at least one dose of vaccine, the Times said, but rates vary widely between states.
The U.S. coronavirus case count passed 32 million on Monday, while the death toll topped 572,000, according to a tally from Johns Hopkins University. Worldwide, 147.2 million cases had been reported by Monday, with over 3.1 million people dead from COVID-19.
More information
The U.S. Centers for Disease Control and Prevention has more on the new coronavirus.
