>The article we’re discussing says the woman who died told colleagues she broke a test tube.
The article links to a telegram post [1] as source, which links to another telegram post [2], which now has an update:
>It is not known exactly how Darya Shipilova contracted the plague. Currently, the theory involving a broken test tube is the leading one, but there is no official confirmation or independent verification of this information.
(Google-translated)