Home Risk Management/Safety Smartphone data show how shared staff spread COVID-19 through nursing homes Smartphone data show how shared staff spread COVID-19 through nursing homesadmin Aug 24, 2020 0 Comments COVID-19 infections have spread rapidly through nursing homes despite a ban on visitors to the facilities, and a new study co-authored by Yale SOM’s Judith A. Chevalier finds one likely explanation: staff members who work at multiple nursing homes.