Joel Achenbach tracks the rising coronavirus caseloads in some parts of the country. William Wan explains how the virus could become the next measles or chickenpox. And Ben Guarino talks us through a time-tested method for disease containment. Read more:As the economy reopens, coronavirus transmission remains high in much of the U.S.Coronavirus may never go away — even with a vaccine. Reopening the country safely means deploying “disease detectives” — contact tracers — as soon as possible.Subscribe to The Washington Post: https://postreports.com/offer