How Rodents Can Spread Deadly Diseases

Rodents can pose serious health risks, and can cause deadly illnesses.

brown rat

Millions of homeowners in the US experience a rodent infestation. The presence of these pests inside homes can be more than just annoying and disturbing. Rodents can pose serious health risks, and can cause deadly illnesses. There are several ways in which rodents can spread diseases. These include:

  • Exposure to infected rodent waste such as urine, saliva, feces and nesting material
  • Handling of infected rodents. Virus can spread through skin to skin contact even if there has been no scratch or bite.
  • Bites from an infected rodent.

Rodents can spread various serious illnesses, some of which can be potentially life threatening. Even the insects that feed on these rodents can spread diseases. Some of the diseases spread by rodents and insects include:


This virus is most commonly found in cotton rat, rice rat and white footed mouse. It is a life threatening disease, and at present, there is no cure, treatment and vaccine available. Some common symptoms include:

  • Fatigue
  • Fever
  • Muscle aches
  • Abdominal pain
  • Nausea and vomiting
  • Diarrhea


During the middle ages, millions of people were killed by plague. Even a flea bite can be enough to spread plague. There are different types of plague including Septicemic, Bubonic and Pneumonic, and all are caused by the same bacterium known as Yersinia Pestis. The types are classified based on the level of the body the plague has reached (i.e. blood system, immune system and lungs). Symptoms of plague depend on the type of plague, and immediate treatment with antibiotics is necessary to save life.

Lymphocytic Choriomeningitis Virus

The house mouse is the most common host of this virus.  This infection occurs in two stages. First, the patient experiences symptoms such as headache, nausea, vomiting, lack of appetite and muscles aches. The second stage is more neurological in nature and is characterized by the occurrence of encephalitis, meningitis and meningoencephalitis.

Rat Bite Fever

Rat bite fever is spread when a person is bitten by an infected rodent, has consumed bacteria in some way or handled the rodent. Symptoms include:

  • Skin rash
  • Fever
  • Vomiting
  • Muscle pain
  • Headaches


Rodents may carry salmonella bacteria in their digestive tract. If a person comes in contact with the infected rodent waste or somehow consumes contaminated food, he/she can contract salmonella. Common symptoms include:

  • Fever
  • Chills
  • Abdominal cramps
  • Nausea and vomiting
  • Diarrhea

Have a Rodent Problem?

There are other diseases that can also be spread by rodents. So, if you spot a rodent in your home or office, make sure not to take it lightly. While there are many DIY rodent control methods available, it is important that you seek help from a professional New Jersey pest control company that has all the expertise to handle various types of rodent infestations. Remember, rodents are not just annoying pests that eat into your furniture and books, they also bring diseases that can put lives at risk. Call B & D Pest  Solutions 24/7 at (855) 682-2855.

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