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Patients who contract measles, a highly contagious disease, develop a skin rash.
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WIKIMEDIA COMMONS
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TONY WYATT/CC BY-NC-SA 2.0
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U.S. FISH AND WILDLIFE SERVICE/CC BY 2.0
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LYNNE TERRY/THE LUND REPORT
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OREGON DEPARTMENT OF TRANSPORTATION
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ST. CHARLES HEALTH SYSTEM IN BEND.