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infectious diseases
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diseases caused by a pathogen such as a virus or bacterium
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Examples of Human Spread
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touching, biting, sexual contact, contact with bodily fluids, inhaling expelled droplets (when someone coughs/sneezes)
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vector(s)
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When other organisms carry and spread a disease
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emerging disease
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one that has appeared in the human population for the first time, OR is rapidly increasing/spreading around the world
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pandemic
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Disease that occurs over a wide geographic area and affects a very high proportion of the population.
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increasing mobility
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people spreading the disease between countries through travel (flying) helps spread emerging diseases
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antibiotic resistance
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some diseases become immune to antibiotics and cleaners (MRSA) helps the spread of emerging diseases
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(a) changing environment
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cutting down forests and coming into contact with animals or pathogens; climate change helps the spread of emerging diseases
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World Health Organization (WHO)
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A group within the United Nations responsible for human health, including combating the spread of infectious diseases and health issues related to natural disasters.
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Center for Disease Control (CDC)
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an agency of the U.S. Government that conducts research into the origin and occurrence of diseases and develops methods for their control and prevention.
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(U.S.) Food and Drug Administration (FDA)
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regulatory authority that has oversight of the safety, effectiveness and quality of vaccines that are used in the United States
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social hazards
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Lifestyle choices that endanger health
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unavoidable social hazards
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people´s jobs, schools farms
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avoidable social hazards
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smoking, drinking, junk food
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