Diseases

Lyme disease: the causes

Lyme disease is a bacterial infection. The transmission of the bacteria, called Borrelia, is done only through a tick bite. There is no transmission from man to man, nor from animal to man.

Ticks

Ticks are mites (eight legs and not six as in insects).
They live near the ground, more readily in wooded areas. The larvae live for a few weeks in a shelter of the ground before turning into nymphs then adult ticks.

At all stages of its development, ticks can bite humans or mammals (rodents, cattle, sheep, wild animals, etc.). Only the female stings, and is involved in the contamination. It feeds on blood and comes off the body a few days later. Its size varies from just 1 mm for the larva (a pinhead) to 1 cm when an adult female is force-fed.

Ticks infected by the bacterium are present throughout the French territory, except the high mountain regions and the Mediterranean coast.

In Europe, it is estimated that around 15% of ticks are infected with Lyme disease bacteria. But all infected ticks do not transmit through the germ.

Other causes come into play, such as the duration of the sting. The longer the tick is attached, the greater the risk of transmission of these infections. According to specialists, the risk of Lyme disease is present beyond 24 hours of attachment of ticks on the skin.

Read also :
> All about ticks
> Mite allergy
> Tick bite: how to remove a tick?

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