The novel coronavirus, SARS-CoV-2, and its infection, COVID-19, has quickly become a worldwide threat to health, travel, and commerce. It is essential for emergency clinicians to learn as much as possible about this pandemic to manage the unprecedented burdens on healthcare providers and hospital systems. This review analyzes information from worldwide research and experience on the epidemiology, prevention, and treatment of COVID-19, and offers links to the most reliable and trustworthy resources to help equip healthcare professionals in managing this public health challenge. As the pandemic sweeps the United States, lessons learned from early centers of infection, notably New York and Northern Italy, can help localities to prepare.