April 7, 2021 | 12:28 PM
Researchers warn vaccine refusal may put herd immunity at risk
A recent NPR/Marist poll found that one in four Americans said they would refuse a coronavirus vaccine outright if offered.
tag | herd immunity
February 18, 2021 | 3:22 PM
How herd immunity works — and what stands in its way
Scientists say the pandemic will only end in the U.S. when we achieve what’s called herd immunity. Play with our simulations to see how immunity can stop an outbreak in its tracks.
By Thomas Wilburn and Richard Harris/NPR August 9, 2020 | 8:48 AM
COVID-19 may never go away — with or without a vaccine
The first thing to remember is that we haven’t been successful at eradicating many viruses at all.
