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Cockroaches are nocturnal insects, which are found in more and more important quantities in Switzerland.

They colonize in appalling amounts buildings and neighbourhoods. It is estimated that for one cockroach spotted, there are about a hundred times more hidden in the walls. They feed on organic particles and paper but they do not transmit infectious diseases.

Symptoms of allergy to cockroaches are typically chronic rhinitis and asthma.

Treatment consists of allergen avoidance and taking appropriate medication according to symptoms.The eviction is done by specialized companies that put poisoned food pellets, which insects pick up and bring into their hiding place, thereby destroying the entire colony.For an eviction to be effective it must be done for the entire building, and probably repeated regularly. Otherwise, re-colonization is fast. For now there does not exist an effective desensitization against cockroaches.


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