Abstract
[This is an excerpt.] Now 2 years old, the unprecedented coronavirus disease 2019 (COVID-19) pandemic produced a medical response that was equally unprecedented. Starting with nearly no knowledge about diagnosis, transmission, prevention, treatment, or predictors of outcome, physicians and hospitals were forced to develop real time answers for a new and unfamiliar disease. Particularly, challenging medical aspects of COVID-19 included multisystem involvement, extremely high transmissibility, rapid mutation, and an extraordinarily wide spectrum of clinical presentation from asymptomatic carrier to fatal respiratory failure. [To read more, click View Resource.]
