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The average office desk has 400 times more bacteria on it than a toilet.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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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.