Notes
1 Powered Air Purifying Respirator (PAPR) - Minnesota Dept. of Health.
2 Nguyen C. Coronavirus Outbreak: 1 dead, dozens of emergency staff infected at Kaiser Permanente San Jose Medical Center - ABC7 San Francisco. Accessed January 5, 2021. https://abc7news.com/kaiser-outbreak-permanente-san-jose-medical-center-coronavirus-bay-area-covid-19/9386112/