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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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The horizontal fraction bar was introduced by the Arabs.
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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.