The Black Alder, moving north
black alder

Borrelia/Lyme Disease moving north

Swedish researchers report that Borrelia, or Lyme Disease, will become more prevalent here because of climate change.

Borne by ticks, the disease already affects much of Sweden, especially along the southeastern coast and Lake Mälaren valley, just west of Stockholm. But as the weather becomes warmer, researchers at Uppsala University say, by the end of the century Borrelia will spread to most of Sweden, Finland, and Norway, outside of the mountains.

The researchers track the spread of the disease to the spread of the Black Alder tree, as a longer growing season changes local flora and fauna.

The research is published in the journal Ticks and Tick-Borne Diseases.

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