Experts speculate that reaching Herd immunity in the U.S. is very difficult
Herd immunity can be achieved when a large population will be vaccinated against COVID-19. Vaccinating more and more people is the guaranteed way to protect people against COVID-19. In the United States, many adults have taken at least the first dose of the COVID vaccine. But the rate of daily vaccination is decreasing. And the […]
Experts speculate that reaching Herd immunity in the U.S. is very difficult Read More »
