4 Your Health: New research about herd immunity from coronavirus

NBC- New research suggests the U.S. is still a long way from reaching herd immunity from the coronavirus.Scientists from Stanford University looked at blood plasma samples from 28,000 dialysis patients across the country.Fewer than 10% showed signs of a prior coronavirus infection, which means that the majority of Americans are still susceptible to the virus.Experts say 60 to 80% of the population needs to develop antibodies or be vaccinated to achieve herd immunity.New CDC data about COVID-19 i