Minnesota Public Radio slideshow:
Peak season for insect-borne diseases
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Deer ticks, often no bigger than the head of a pencil, are the main carriers of Lyme disease to humans. (Photo courtesy of the Lyme Disease Foundation)

Deer ticks, often no bigger than the head of a pencil, are the main carriers of Lyme disease to humans.

(Photo courtesy of the Lyme Disease Foundation)
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