Rats cause a lot of damage. As the teeth of rodents continue to grow over their lifetime, they need to gnaw on hard substances such as lead and plastic pipes, insulation material and electric wiring. This habit increases the risk of short circuits and fires.

In addition to this, they transmit a number of dangerous diseases such as Salmonella, Leptospirosis (Weil's disease), Tuberculosis and even tape worms. Rats are also known to introduce other pests, such as fleas, mites and ticks into the premise, causing additional damage.

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