CDC study suggests leaving middle seat empty could lower COVID-19 spread on planes by 23% to 57%

Laboratory Modeling of SARS-CoV-2 Exposure Reduction Through Physically Distanced Seating in Aircraft Cabins Using Bacteriophage Aerosol — November 2020 – CDC Morbidity and Mortality Weekly Report

Commentaries: Keeping middle seats vacant on airplanes can reduce risk of Covid-19 exposure by up to 57%, CDC study says – CNN AND Leaving middle seat empty lowers COVID-19 spread on planes, modeling suggests – LiveScience