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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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
Annual net primary productivity on Earth.
Estimated terrestrial net primary productivity across Canada.
Defense Mechanisms Cont.
Human of the planet's net primary production and appropriation of NPP