EditorialMark Lenzi, who worked for the State Department in Guangzhou, China, experiences the same mysterious affliction as dozens of staff members at the American Embassy in Havana. (Cody O'Loughlin/The New York Times)
EditorialA diagram of the arrangement of a restaurant’s tables and air conditioning airflow at site of an outbreak of coronavirus in Guangzhou, China. Red circles indicate the seating of future case-patients; the yellow-filled red circle indicates the index case, or first-documented, patient. (Centers for Disease Control and Prevention via The New York Times)