Amid growing concerns about military readiness, a sailor from the coronavirus-sidelined aircraft carrier USS Theodore Roosevelt became the first crew member to be hospitalized in intensive care in Guam Thursday. He is one of more than 400 of the ship's sailors who have tested positive for COVID-19.

Last week All Things Considered kicked off our new musical chain of gratitude series Play It Forward with Dan Snaith, who records as Caribou. He told us why he's grateful for a musician named Glenn Copeland, who is today's link in the chain.

Updated at 5:45 p.m.

The White House tested reporters attending the daily briefing on Thursday for the coronavirus as a precaution after a member of the White House press corps experienced symptoms after leaving the building on Tuesday and awaited test results.

That member of the press corps, who was not identified, tested negative for the virus, the White House Correspondents' Association announced late on Thursday.

Thomas E. Lo is an anesthesiologist who works at Montefiore Nyack Hospital in New York. Since the coronavirus outbreak, his job has gotten dangerous.

"The exposure risk as an anesthesiologist is extremely high because when we intubate a patient, we are literally less than a foot away from the patient, who is in distress, and we're right by their airway, which is where the virus is," Lo tells All Things Considered.

And that exposure risk is made worse by widespread shortages of crucial personal protective equipment, or PPE, like masks, gowns and gloves.

The worst outbreaks of COVID-19 so far have been in colder parts of the Northern Hemisphere during winter or early spring. Will warmer weather slow the transmission?

Could the Southern Hemisphere see outbreaks intensify as that part of the globe moves into winter?

And is it possible that transmission might be naturally interrupted as it is each year for the seasonal flu?

These are some of the key questions about COVID-19 that scientists are trying to answer.

On Thursday, New York's Lincoln Center for the Performing Arts announced that it was canceling all of the summer performances and activities it presents, including three signature, extended series: a three-week outdoor dance party with live bands called Midsummer Night Swing, the classical music-focused Mostly Mozart Festival and the artistically wide-ranging, multi-week festival called Lincoln Center Out of Doors.

Richard Teitelbaum, an electronic artist, keyboardist and composer who combined an interest in non-western musical languages with a focus on experimental practice, died on Thursday at HealthAlliance Hospital in Kingston, N.Y. His wife, the classical pianist Hiroko Sakurazawa, said the cause was a major stroke. He was 80.

It's never a good portent when a stranger arrives at your door with a hammer hidden behind his back. That's how Matvei (Aleksandr Kuznetsov) greets his girlfriend's father, Andrei (Vitaliy Khaev), at the opening of Why Don't You Just Die! Matvei's intentions are pretty evident, but would have been even more obvious if this exuberant black comedy's English title were a literal translation of the Russian one: Papa, Die!