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Due to the fact that the CDC's data only represents confirmed cases, the actual quantity of Lyme disease cases may be far greater. Tickcheck.com estimates a total of 1,710 true cases of Lyme disease in Arizona. (Tickcheck.com)

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Tick-borne infections may become more common as insects move into new territory

While plague-bearing fleas often command the attention of parents and pet owners, other tiny terrors may go unnoticed.