But on February 25, as Trump boarded Air Force One to return from a state visit to India, the director of the National Center for Immunization and Respiratory Diseases at the CDC, Dr. Nancy Messonnier, issued a stark public warning. Schools might have to close, conferences might be curtailed, and businesses may have to have employees work from home. “The disruption to everyday life may be severe,” she told reporters. “It’s not so much a question of if this will happen anymore, but rather more a question of when this will happen, and
