Recent media article: https://www.mercurynews.com/2021/12/30/covid-travelers-infected-one-another-across-hallwayresearch-shows/ https://www.mercurynews.com/2021

Recent media article: https://www.mercurynews.com/2021/12/30/covid-travelers-infected-one-another-across-hallwayresearch-shows/ https://www.mercurynews.com/2021/12/30/covid-travelers-infec... "COVID: Travelers infected one another across hallway, research shows"