The U.S. now tops China as the country with the most confirmed COVID-19 cases. Source

There will be two rounds of severe weather. The second, later Saturday, will be the most significant. Source

CBS News’ Steve Hartman is teaching thousands of kids online about different kinds of heroes. He also asked them to thank their hero, prompting many to reach out to pharmacists and truck drivers. Source

Experts see a number of possible reasons why Germany has fared better than Italy in the pandemic so far. Source

Doctors are hopeful that a treatment or coronavirus may already exist — in the blood of patients who were once infected. Blood plasma from those who have recovered can be a rich source of antibodies, the proteins that help the immune system attack the virus. Dr. Jonathan LaPook reports. Source

The House passed the $2 trillion coronavirus bill on Friday with bipartisan support, following a unanimous vote in the Senate. Hours later, President Trump signed it into law. Paula Reid reports. Source

With ventilators running low, a desperate hospital in northern Italy has a new idea: modified scuba masks. Chris Livesay reports. Source

A Seattle woman recovers from coronavirus despite a dire prognosis. Jonathan Vigliotti reports. Source

U.S. Surgeon General Dr. Jerome Adams told CBS News that New Orleans, Chicago and Detroit are likely to see conditions worsen next week. The National Guard could be called in to set up beds in Illinois and Michigan. Dean Reynolds reports. Source

The healthcare system in the U.S. is struggling to treat some coronavirus patients. Hundreds of healthcare workers have tested positive for the virus, and supplies are beginning to run low in some areas. Mola Lenghi reports. Source