When federal and Fulton County, Ga., health officials testified before Congress this week, much of the focus was on who said what, to whom and when, in discussions about the now-famous tuberculosis patient Andrew Speaker.

The Atlanta lawyer made headlines last week after the Centers for Disease Control and Prevention announced May 29 that it had issued a federal isolation order against a then-unnamed patient who might have posed a risk of infection to passengers on two trans-Atlantic flights.