Lyme disease is transmitted by ticks.

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Lyme disease is transmitted by ticks.

Lyme disease is transmitted by ticks, specifically Ixodes ticks that feed on animals and humans. The bacteria Borrelia burgdorferi are carried by the tick and passed to a person during a blood meal. Transmission generally requires the tick to be attached and feeding for a period of time—often a day or more—before the bacteria move from the tick’s gut into its saliva and then into the host. Because of this timing, avoiding tick habitats and removing attached ticks promptly reduces risk. Other vectors like mosquitoes, sandflies, or fleas do not spread Lyme disease; they handle other pathogens. Understanding that the tick is the transmitter helps explain how exposure occurs in outdoor settings and why prolonged contact increases risk.

Lyme disease is transmitted by ticks, specifically Ixodes ticks that feed on animals and humans. The bacteria Borrelia burgdorferi are carried by the tick and passed to a person during a blood meal. Transmission generally requires the tick to be attached and feeding for a period of time—often a day or more—before the bacteria move from the tick’s gut into its saliva and then into the host. Because of this timing, avoiding tick habitats and removing attached ticks promptly reduces risk. Other vectors like mosquitoes, sandflies, or fleas do not spread Lyme disease; they handle other pathogens. Understanding that the tick is the transmitter helps explain how exposure occurs in outdoor settings and why prolonged contact increases risk.

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