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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
The FDA recognizes 118 routes of administration.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
Vaccines prevent between 2.5 and 4 million deaths every year.
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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