From the earliest days of the pandemic, herd immunity has consistently factored into conversations about how countries can find their way out of lockdowns and restrictions.
Now, many experts believe that the United States may never reach the requisite level of immunity.
We explore why, and what it might look like to live in a country where there is no herd ... Show More
Dec 2020
Vaccine hesitancy, the next pandemic hurdle
As the Pfizer-BioNTech vaccine rolls out across the country, and other vaccines await imminent regulatory approval, many public health experts are focusing on the issue of vaccine hesitancy.
Canada's Chief Public Health Officer Dr. Theresa Tam has spoken out about the "moveable m ... Show More
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