COVID-19

The pandemic exposed shortcomings in efforts to secure our collective health. Here’s how to get things back on track.
By Dean Ellen J. MacKenzie

Vaccine mandates will fuel an increase in demand and alter surveillance data, but at-home testing may ramp up just in time.

Shaun Truelove, PhD, MPH, talks about the COVID-19 Scenario Modeling Hub’s recent projections of what COVID-19 might look like in early 2022.

A look at how this vaccine technology has been in the works for decades. 

Additional data, emerging variants, and new understandings of the disease update our earlier thinking about herd immunity for Covid-19.