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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.