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graphic evidence of ground glass opacities and pneumonitis should raise clinical suspicion of COVID-19. 5, 6 Patients demonstrating such symptoms or findings should be queried about personal history of recent travel to any country with a CDC level 2 or higher travel warning (currently China, Italy, Iran, South Korea, and Japan), contact with a confirmed COVID-19 person or contact with others with such travel history.

Clinicians should consider the local prevalence of COVID-19 cases when evaluating the clinical risk for COVID-19 infection, understanding that a travel or exposure history will become increasingly ineffective in identifying patients at risk for infection. Guidelines for respiratory and contact isolation should be followed in all known or suspected cases of COVID-19 infections.