Health
How effective does a COVID-19 coronavirus vaccine need to be to stop the pandemic? A new study has answers – Australian Times
Similarly, different vaccines may offer different levels of protection. Scientists talk about this as the vaccine’s efficacy or effectiveness.
Bruce Y. Lee, City University of New York
The 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 lower the vaccines effectiveness, the more likely social distancing in some form may still be necessary. Gopixa via Getty Images
The answer depends on a how good the vaccine ends up being.
In a study published July 15 in the American Journal of Preventive Medicine, my colleagues and I used a …
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