Nurses at West Anaheim Medical Center in Anaheim, Calif.; Saint Mary’s Regional Medical Center in Reno, N.V.; Saint Mary of Nazareth Hospital in Chicago, Ill.; and nurses and health care workers at Shasta Regional Medical Center in Redding, Calif. gave notice to their employer Prime Healthcare that they will hold one-day strikes from Sept. 3 to Sept. 4 to protest the administration’s refusal to address deep concerns about patient care and safe staffing.