Getting a flu shot is a good safeguard against illness.

to pick the teeth; to pick a bone; to pick a goose; to pick a pocket

All Sublunary Things are contemptible, and of no Value.

One reason why we get into difficulties in the public sector is the jerkiness with which this problem is dealt with. Teachers, or nurses, or bus drivers, or whoever it may be, are given a substantial rise. But then, for the next six or seven years no further increases are awarded to them and the Government suddenly wake up to the fact that these groups have fallen far behind everybody else.