Steve Hartman teaches an online class on gratitude with lessons learned On the Road. Source

A look at what we’ve been covering on “CBS This Morning.” Source

Success in the fight against the coronavirus may depend in part on two things, learning who has the disease, and who could get it. Health officials use contact tracing to find out who infected patients may have met. Jericka Duncan reports on how health departments are stepping up the use of this method. Source

Albom is publishing one chapter online every week, and it’s free to read. Source

The coronavirus is hitting patients and staff at psychiatric facilities across the U.S., and caring for this population comes with unique challenges during a pandemic. Catherine Herridge reports on Western State Hospital in Washington, where there have been 34 confirmed cases. Some staff members are concerned the hospital isn’t taking the virus seriously enough. Source

The U.S. is criticizing China for detaining 15 leaders of Hong Kong’s protest movement amid the coronavirus pandemic. Holly Williams speaks to a professor who says the virus crisis provided an opportunity for the crackdown. Source

New York Governor Andrew Cuomo says his state will begin what he calls the “most aggressive” antibody testing program in the country. He says New York can conduct up to 2,000 antibody tests per day to determine who has been infected. Dr. Jon LaPook joins “CBS This Morning” to discuss the test and concerns about its accuracy. Source

Canada is reeling from the deadliest mass shooting in its history. At least 16 people were killed when a gunman, reportedly dressed like a police officer, went on a weekend rampage across central Nova Scotia. Investigators say the suspect is also dead. Errol Barnett reports on how the violence unfolded. Source

Deaths and hospitalizations are down but Cuomo warned that New Yorkers need to stay vigilant to curb the spread of the virus. Source

The White House and many state governors are clashing on testing and when to ease lockdowns over the coronavirus. The reported nationwide death toll is now more than 40,000, nearly double what it was a week ago. Despite those numbers, the economic strain is driving some Americans to protest stay-at-home orders, Manuel Bojorquez reports. Source