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Medication errors are more common among seriously ill patients than with those with minor conditions.
The familiar sounds of your heart are made by the heart's valves as they open and close.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
There are more bacteria in your mouth than there are people in the world.
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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