The Kaiser strike comes as nearly 15,000 nurses in New York City continue their own walkout at five hospitals. That strike has lasted two weeks. The nurses’ union there says at least two hospitals have agreed to protect health benefits. Usnursing.com has more on what happens during a nurse strike.

Around 31,000 registered nurses and healthcare professionals will go on strike at Kaiser Permanente's facilities in California and Hawaii on Monday, a union said.

A total of 31,000 employees represented by the United Nurses Associations of California/Union of Health Care Professionals (UNAC/UHCP) will take part in the work stoppage, which will include picketing...