Daily Dose: Measles cases double, Florida fights rare dengue outbreak and the science behind Halloween scares
Measles cases across the U.S. have more than doubled last year's total, Florida battles a rare dengue outbreak and experts explain why Halloween scares feel real.
Measles cases across the U.S. have more than doubled last year's total, Florida battles a rare dengue outbreak and experts explain why Halloween scares feel real.
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