Six months since the COVID-19 outbreak in China, researchers have been racing to learn what they can about the novel coronavirus: how it’s transmitted, how long immunity lasts, who survives, who doesn’t, and why. In this Q&A with Dr. Angela Rasmussen, a leading virologist, we’ll discuss what the latest facts are about COVID-19 and our immune response to it. Are there ways we can increase our chances of fighting off the virus? How does the virus impact our bodies? What do we know so far?