The COVID Endgame: Elusive Herd Immunity and Relative Risk

Today all people 16 and older are eligible to get a COVID vaccination. Nationwide, about 40% of us have had at least one dose of vaccine, with >80% of those over 65 at least partially vaccinated, and more doses are coming fast and furious. It's time to contemplate how this all comes to an end. [...]

COVID-19 Leadership Matters – A Tale of Two States

The response to the COVID-19 crisis has varied from state to state depending on the perceived need for aggressive action and depending on political considerations in our divided nation. As a result, the United States offers 50 simultaneous experiments in epidemiological response, often with dramatically different initial conditions, such as the high population density and [...]