Those mandates in Alameda, Berkeley, Contra Costa, and Napa Counties, for instance, require health workers to wear face masks in patient care areas.
More hospitals in Illinois likewise reinstated mask mandates, per a report from WMAQ-TV at the end of last month.
Rush University Medical Center announced that patients and visitors must wear hospital-grade masks in clinical offices, patient registration, and waiting areas.
Mask mandates did not make an annual appearance until very recently.