COVID cases

Temporal trends There are large swings in case rates (up to 100-fold) but smaller swings for deaths (~15-fold). There are two major peaks in cases and deaths but many more in case fatality ratios (CFRs). [1]

The long view This winter, we experienced new highs in cases but not in deaths, similarly, across all regions. [1] 

“Emergence of new variants of concern, vaccine hesitancy, and barriers to global vaccine equity have created challenges to containing the pandemic.”

Our objectives remain to

What do we know about immunity?

Case, Death, and Vaccination Trends