75,000 Kaiser Permanente workers walk off the job in largest US healthcare strike

75,000 Kaiser workers strike for better pay, benefits

Largest US healthcare strike in history

Strike expected to last several weeks

Significant impact on patient care

Kaiser hires temporary workers to replace strikers

Strike likely to cost Kaiser millions

Major test for the labor movement

Strike closely watched by both sides

Outcome could have implications for other healthcare workers

Strike sign of growing worker unrest

Strike reminder of importance of healthcare workers