Measles Is Back: The Preventable Disease Threatening Modern Practice
What is the primary factor contributing to the re-emergence of measles in the United States?
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The resurgence of measles is primarily driven by declining vaccination coverage due to misinformation and vaccine hesitancy. While viral mutation and diagnostics play roles in infectious disease trends, measles remains preventable with vaccination. Antibiotics are not effective against viral infections like measles.
Which intraoral finding is considered a characteristic early sign of measles?
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Koplik spots are pathognomonic for measles and often appear before the skin rash, typically on the buccal mucosa. Aphthous ulcers and geographic tongue are unrelated conditions, while leukoplakia is a premalignant lesion, not associated with measles.
What level of vaccination coverage is generally required to maintain herd immunity against measles?
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Measles is highly contagious, requiring approximately 95% population immunity to prevent sustained transmission. Lower percentages are insufficient to maintain herd immunity, allowing outbreaks to occur, particularly among unvaccinated populations.
