One rodent can carry numbers of diseases; each of its droppings and its fresh urine can trigger some of the allergies and may contain these following diseases: •    Lyme disease •    Salmonella (food poisoning) •    Rat-bite fever •    Hantavirus •    Typhus •    Plague •    Pox (rickettsial) Each fertile rat can give birth to 10 – 12 babies for every 3 or 4 weeks, which could sum up to 17 litters per.. Read More