Add Yahoo as a preferred source to see more of our stories on Google. In the months preceding the first known cases of COVID-19 in Wuhan, China, multiple air ventilation systems within the Wuhan ...

MENDENHALL, Pennsylvania (WPVI) -- Right now, restaurants in Chester County are operating at 50% indoor capacity, and many are continuing to make changes to keep the environment as safe as possible.

UBC Okanagan researchers are exploring a new way to create personalized ventilation systems that would remove airborne pathogens to help reduce the spread of respiratory diseases in enclosed spaces.

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