The other contains prepared herbs which are useful as preventives--tormentil, valerian, zedoary, angelica, and so forth; but I take it that pure vinegar is as good an antidote to infection as anything one can find.

Keep some always about you.

Let your kerchief be always steeped in it.

Then be of a cheerful courage, and take food regularly, and in sufficient quantities.

All these things help to keep the body in health; and though the most healthy may fall victims, yet methinks that it is those who are underfed or weakened by disease or dissipation upon whom the malady fastens with most virulent strength.