Pennsylvania business hopes its “curtain” of flowing air can save buffet restaurants

Can a $400 fan bring back the buffet line? Food Sign Pros, a business that develops and markets food safety products, hopes the answer is yes, The Washington Post reports. The concept is simple: The company’s AirShield sits on top of a buffet and fans a “curtain” of air downward toward the floor, in theory pushing respiratory droplets away from the food. (The product is still being tested to see if it actually works.) Yet even if it can blow away virus-containing particles, the AirShield is likely more hygiene theater than literal air shield. That’s because there’s still no evidence that Covid-19 can be transmitted through food. Consider this your daily reminder. 

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