Mayor Bill de Blasio held a moment of silence during Monday’s press briefing and said he was “heartbroken.” Source

In a new study, researchers at the University of California, San Francisco found nearly 1 in 3 young adults may be especially vulnerable to the coronavirus. CBS News medical contributor Dr. David Agus explains how COVID-19 could impact young adults. Source

Slamming the brakes on the economy saved many more lives than it ruined, researchers conclude. Source

Elin Hilderbrand, known as the queen of the summer beach read, talks about writing her new book, “28 Summers,” on “CBS This Morning.” Source

The total number of coronavirus cases reported across the United States has reached 3.3 million. On Sunday, Florida recorded the highest number of coronavirus cases reported by a state in a single day — more than 15,000 — the same weekend that Disney World reopened. David Begnaud reports. Source

Nation aims to join an exclusive club with its first interplanetary launch. China and the U.S. also have Mars missions set to launch this month. Source

After the fatal shooting of Walter Scott, North Charleston officials and the DOJ launched a collaborative review of the police. Source

Some countries in Europe and Asia have allowed kids back to the classroom with new restrictions and safety measures, but as Holly Williams reports, looking for lessons abroad is tricky. Israel saw a spike in cases after allowing kids back to school, but Taiwan, enforcing strict new measures, has managed to keep cases low, and with summer break in session, it’s too soon to tell what infection rates will look like when autumn sessions return. Source

Authorities said they believe Naya Rivera, 33, drowned in the lake. Her son was found on the boat. Source

Ambassador for Religious Freedom Sam Brownback also barred over criticism of ruling Communist Party’s treatment of minorities. Source