What are harmful:
They spoil clothes, shoes, walls, furniture, food. They gnaw on wires, causing fires.
They are a source of unpleasant odors in the house. They carry on their bodies the most dangerous viruses and bacteria that can cause enormous harm to human health. This is their main danger. Diseases that can be contracted from mice and rats are often deadly. There is a possibility of contracting toxoplasmosis, salmonellosis, leptospirosis, tularemia, bartonellosis, hantavirus infection, Lassa fever, Argentine hemorrhagic fever, Crimean-Congo hemorrhagic fever and many other types of fevers.