The coronavirus SARS-CoV-2 has upended life as we know it in amatter of mere months. But at the same time, an unprecedentedglobal effort to understand and contain the virus—and find atreatment for the disease it causes—is underway. Join thedoctors on the front lines of the fight against COVID-19 asthey strategize to stop the spread, and meet the researchersracing to develop treatments and vaccines. Along the way,discover how this devastating disease emerged, what it does tothe human body, and why it exploded into a pandemic.