| Mosquitoes, ticks and other insects can be annoying. But, being bothersome is a minor issue when compared to the serious diseases they can transmit. Here in the United States, the most common tick-borne disease is Lyme disease, spread by the deer tick. |
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| West Nile virus, which is spread by mosquitoes, is less common than Lyme disease but can be significantly more dangerous. For more on insects, visit www.aboutbugs.com. |
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