Offices, long-distance shared transport, some activities tied to COVID spread In the first 2 years or more of the COVID-19 pandemic, the risk of infection was higher in open-space offices, long-distance trains, convenience stores, taxis, airplanes, and nightclubs and during take-away food delivery, carpooling with relatives, and attending concerts, suggests a case-control study of various work, leisure, and other spaces in France. CIDRAP

...

"As the impact of the pandemic recedes in most countries, knowledge on the settings of transmission can help guide improvement in air quality and individual protection approaches, particularly for elderly or immunocompromised people," the researchers wrote.

...