Carol Menz and Amy Jo Goldfarb outline what to do if you or a family member is ill, why it's likely you will eventually know someone who has been exposed, and why it's so important to abide by the stay-at-home mandate.
In less than 24 hours, school was canceled starting next week for more than a million students, effectively ending debate over whether it was better to keep kids away from vulnerable adults or away from crowded classrooms.