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3. Correct

The only proven means of Lyme disease transmission is through the bite of a Borrelia burgdorferi infected tick. Although you may have heard that Lyme disease can be transmitted from person to person through breast milk or sexual contact, there is no scientific evidence for either of these routes.

The ticks that transmit Lyme disease are very small and often go unnoticed. Because family members usually share the same environment where infected ticks may be present, it is possible for more than one family member to become infected. This does not mean, however, that the disease is spread from person to person.

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