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Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Did you know?
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.