Mount Sinai launched an observational study using nearly 3,000 coronavirus patients, and found that using blood thinners as a preventative measure was helpful to avoiding blood clots. Source

The CDC recommends it, but the president mocks it. Source

Assistant Attorney General Eric Dreiband warned Nevada Governor Steve Sisolak his directives may treat religious organizations differently from other businesses. Source

Doctors are warning about the mysterious and dangerous problem of blood clotting among some coronavirus patients. CBS News senior medical correspondent Dr. Tara Narula explores the new symptom and a potential new treatment that can help. Source

The World Health Organization has temporarily suspended the malaria drug hydroxychloroquine from a global trial for COVID-19 treatments for a safety review. Dr. David Agus joins “CBS This Morning” to explain why the drug was dropped from the global study. He also addresses the W.H.O. warning that countries reopening could face an “immediate second peak” of the virus if safety measures are lifted too soon. Source

Dr. Dyan Hes joined CBSN to discuss the impact crowded Memorial Day festivities could have in the coming weeks. Source

Overcoming long odds, SpaceX is on the brink of making space history. Mark Strassmann looks at the company’s rise. Source

One of Jeffrey Epstein’s accusers, Sarah Ransome, says Epstein raped her on his private Caribbean island. She says Epstein had help from two women who were close to him. Ransome, who spoke with “CBS This Morning” co-host Anthony Mason, is featured in the Netflix documentary series “Jeffrey Epstein: Filthy Rich.” Source

Iowa Senator Joni Ernst is out with a new memoir on her experiences in politics, the military and growing up on the farm. “CBS This Morning” talks with the senator about her book and the coronavirus pandemic. Source

Small island just off mainland China is home to almost 24 million people, but they’d been bracing for a crisis like COVID-19 for 17 years. Source