Testing for the coronavirus is still falling short in many places in the U.S. How is your state doing? Track it using a tool from NPR.

A mutated strain of the coronavirus may have helped it spread more widely, according to a new preliminary study that's getting a lot of attention even before it's peer-reviewed.

Despite Trump administration claims that the coronavirus may have accidentally escaped from a lab in China, scientists it's more likely the coronavirus spread naturally. Listen to Short Wave's episode about why, on Apple Podcasts, Spotify and NPR One, and explore a second episode about the likelihood the virus originated in bats.

One of the deadliest outbreaks of the coronavirus has been at the Holyoke Soldiers' Home in Massachusetts. Officials are investigating what happened there.

Plus, experiments are undeway to see if dogs can be trained to sniff out the coronavirus. Meanwhile, U.S. animal shelters have reported having all their dogs fostered during the lock down.

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