How effective does a COVID-19 coronavirus vaccine need to be to stop the pandemic? A new study has answers
- Written by Bruce Y. Lee, Professor of Health Policy and Management, City University of New York
The lower the vaccine's effectiveness, the more likely social distancing in some form may still be necessary.Gopixa via Getty ImagesThe U.S. is pinning its hopes on a COVID-19 coronavirus vaccine, but will a vaccine alone be enough to stop the pandemic and allow life to return to normal?
The answer depends on a how “good” the vaccine...

