EXPLAINER: What do we know about plague institute lab worker's death in Russia?
Here's what we know about the death of a laboratory worker at a plague research institute in Siberia, which officials have not linked to her work or plague, and about the disease she studied.

Here's what we know about the death of a laboratory worker at a plague research institute in Siberia, which officials have not linked to her work or plague, and about the disease she studied.


REXSON PENEYRA 










