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A gym trainer exposed 50 athletes to Covid-19, but no one else got sick because of a ventilation redesign | CNN
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Amazon.com: Tech Drive Very-Quiet 80 CFM, 1.5 Sone No Attic access Needed Installation Bathroom Ventilation and Exhaust Fan With LED light 4000K 800LM (80CFM),Ceiling Mounted Fan,Easy to Install : Tools & Home
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