On Friday, Health and Human Services Secretary Alex Azar declared the novel coronavirus a public health emergency in the United States. From left, in Washington D.C., are Deputy Secretary of State Stephen Biegun, Acting Transportation Undersecretary Joel Szabat, Azar, and National Institute of Allergy and Infectious Diseases Director Anthony Fauci.

On Friday, Health and Human Services Secretary Alex Azar declared the novel coronavirus a public health emergency in the United States. From left, in Washington D.C., are Deputy Secretary of State Stephen Biegun, Acting Transportation Undersecretary Joel Szabat, Azar, and National Institute of Allergy and Infectious Diseases Director Anthony Fauci.