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Lyme disease on my mind
United States

Blacklegged tick (Ixodes scapularis) engorged with a meal of blood. Photo: CDC/ Dr. Gary Alpert, Urban Pests, Integrated Pest Management
Lyme disease is a bacterial illness spread by ticks. Symptoms often crop up in June, July, or August—when people spend more time playing outdoors—but the start of “Lyme season” depends heavily on the weather. Weather and climate also appear to restrict where Lyme-carrying ticks are found in the United States