Dr. Richard A. Sacra, the Massachusetts physician infected with Ebola while working at a hospital in Liberia, has taken major steps toward recovery, a doctor at the University of Nebraska Medical Center said Thursday.

The staff of The Boston Globe was awarded a 2014 Pulitzer Prize on Monday for its coverage of the bombings a year ago that killed three people and wounded more than 260 others near the Boston Marathon finish line, an attack that shook the nation as it raised the specter once again of terrorism on American soil.