| Show WHERE MAN IS NOT MASTER unable to discover descove secret of avoiding that troublesome Trouble somo soma cold in the head man says Pers lus la Is it a very noble pj piece of work and Is indeed king of 0 kings except at those times when ho he la is troubled with a cold in his head if it bo be not it was horace or juvenal jt it la Is a fact of great interest that talat they are so BO common other epidemic diseases measles typhoid scarlet fever diphtheria may got hold on us once and thoro there Is nn an end it la is not usual to have any of them twice wo ave brow in our blood immunity the poison of the disease evokes in us Ys as proper antidote our blood colls coils make a sort eort of r natural auril antitoxin and keep it in a stock so that we are henceforth protected against the disease A well vaccinated nurse for instance works with safety in a smallpox hospital where tho the very air Is infective but her blood was no BO changed by vaccination that the smallpox cannot affect her by scarlet fever again we wa are as it were bacci bated against scarlet fever tho the reaction of our blood against tho the disease immunizes us no such result foll follows 0 w 13 influenza or a common cold we b brew re v not nothing hinIg that in permanent we ar are just josf as susceptible to a later lava invasion 1 l ion its as we were to tho the invasion that Is juet over |
