U.S. health officials say they’re ramping up the production of coronavirus tests, but data says only 5,000 Americans have been tested. Dr. Jon LaPook reports. Source

As polls close Tuesday, CBS News projects Joe Biden will win the Mississippi primary. CBSN political reporter Caitlin Huey-Burns and CBSN contributor and Democratic strategist Antjuan Seawright discuss the early exit polls. Source

There are 325 delegates at stake in primaries on Tuesday, with the biggest allocation in Michigan, which has 125 delegates. CBS News campaign reporter Adam Brewster reports from Ann Arbor, while CBS News political director Caitlin Conant and CBS News political reporter Nikole Killion join from Washington, D.C., and CBS News political reporter Caitlin Huey-Burns joins from New York. Source

Joe Biden and Bernie Sanders are set to face off in Arizona on March 15. Source

Lesley Stahl reports on Aleksandr Kogan, the link between Facebook and Cambridge
Analytica; then, Scott Pelley goes inside MIT’s “Future Factory”; and, for better or worse, living
with Alzheimer’s Source

There are currently six cases of coronavirus in Riverside County, where the Coachella and Stagecoach music festivals take place. Source

“60 Minutes” interviews the couple who revealed their country’s state-sponsored system of doping and learns damning new details about the 2014 Winter Games Source

CBS News chief medical correspondent Dr. Jon LaPook joins CBSN to discuss the similarities and differences between coronavirus and the flu, explain the most common symptoms and provide health tips to help you stay safe. Source

From the archives: More than five years after being falsely accused of the 1996 Olympic bombing, Jewell said he was still tortured by the experience. Source

From the archives: A few weeks after the bombing of Atlanta’s Centennial Olympic Park, the accused security guard told Mike Wallace, “It’s all a lie.” Source