Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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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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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.