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1. | A vaccine can prevent plague. " |
| 青霉素对鼠疫不起作用,但其它抗生素有效。加强卫生措施可扑灭疫情:消灭鼠蚤、隔离患者、对可能染菌的物体进行彻底消毒等。疫苗也能够制止鼠疫。 |
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2. | Inoculating breeding gooses with gosling plague bacterin is the most economical and effective way to prevent |
| 种鹅接种小鹅瘟疫苗,是预防本病的最经济有效途径。 |
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3. | It derives from the 40-day (quarantina) isolation period instituted in an attempt to prevent spread of |
| 中世纪为了防止鼠疫传播,威尼斯在入港的船只,以四十天为期进行隔离检疫。 |
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