In this Aug. 10, 2019 file photo, a sign warning of bubonic plague is displayed at a parking lot near the Rocky Mountain Arsenal Wildlife Refuge in Commerce City, Colo. The bacteria which causes the ...
Add Yahoo as a preferred source to see more of our stories on Google. A closed sign marks the entrance to a trail at the Rocky Mountain Arsenal Wildlife Refuge, Saturday, Aug. 10, 2019, in Commerce ...
FILE - A sign warning of bubonic plague is displayed at a parking lot near the Rocky Mountain Arsenal Wildlife Refuge in Commerce City, Colo., Aug. 10, 2019. (AP ...
Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...
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