This article provides a review of COVID-19 (coronavirus disease 2019), the respiratory disease caused by the novel coronavirus SARS-CoV-2. It discusses the epidemiology, causes, clinical manifestations, diagnosis, and prevention/control of COVID-19. Key points include that COVID-19 symptoms can range from mild to severe/fatal, with the elderly and those with preexisting conditions most at risk of complications. Diagnosis is via PCR tests of respiratory samples. While there are no approved vaccines or treatments yet, prevention focuses on avoiding exposure, hand washing, and other hygiene/social distancing practices. The aim is to increase awareness and understanding of this ongoing public health threat.