The best COVID warning system? #Poop and pooled spit, CSU says https://t.co/WjKmh07luX via @denverpost
— Flush This (@flushthis) December 10, 2020
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The best COVID warning system? #Poop and pooled spit, CSU says https://t.co/WjKmh07luX via @denverpost
— Flush This (@flushthis) December 10, 2020