ood disease. sary jack-screws, chain, clamps, etc., for firmly secur- the hand of a dairy-maid smitten with cowpox. So In 1876 the city Health Department started a vaccine ing the railroad cars; and the loading and unloading perfect was this vaccination that the boy was inocu- farm, and out of this… … VACCINE VIRUS—ITS PREPARATION AND hot water and shaved—the flrst step in the ITS USE. GRINDING AND EMULSIFYING THE PULP. preparation of vaccine. From the stable Variola or smallpox is said to have found the calf is led to the operating-room and its way into Europe in the seventh century, and to…
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