Which disease, or situation, has killed more people world wide?

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All Cancers
Heart disease
Bubonic Plague of Middle ages
All wars added together
Mosquitoe borne diseases
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Mosquito borne diseases have killed more people than all the wars, cancers, and other illnesses added together.
Today, in 1914, a person dies from this approximately every 6 seconds (extrapolated).
Which disease, or situation, has killed more people world wide?
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