Airlines Step Up Hygiene to Keep Covid Out of the Air, Bloomberg Businessweek reports, using robots, UV lights, and virus-killing seat covers

In that long-ago time before the pandemic — K Oanh Ha and Kyunghee Park (with Ragini Saxena and Justin Bachman) at Bloomberg Businessweek report — most travelers chose an airline based on a single, straightforward factor: price. Those who didn’t grab the cheapest fare typically steered their business toward a carrier where they had frequent-flyer…