Embedded Player A deadly virus believed to have originated in China was found in the US this week. NPR global health correspondent Jason Beaubien explains what we know and don't know about the disease — and the likelihood it will continue to spread.

Follow Jason on Twitter @jasonbnpr. More of NPR's reporting on the virus can be found here.

Follow host Maddie Sofia on Twitter @maddie_sofia. Email the show at shortwave@npr.org.