Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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