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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
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Thyroid conditions may make getting pregnant impossible.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.