It's about as mild as you can go. It's more of a face-saving measure.

The planned polio vaccination campaign is an emergency protective measure aiming at rapidly boosting children's immunity against polio.

I wanted us to leave, purely as a precautionary measure,

In all human affairs there are efforts and there are results, and the strength of the effort is the measure of the result

It's tied to life expectancy. They make it sound as if it's a health measure.

I wanted us to leave, purely as a precautionary measure. I thought the house would be O.K. When they were fairly adamant about staying, I said, 'All right.