Leptospirosis is a serious, life-threatening disease caused by a spiral shaped bacteria. Dogs, cats, other animals and even people can be infected through exposure to urine, bite wounds, ingestion of infected flesh, or contact with contaminated soil, water and even bedding. Certain environmental conditions

Feline leukemia (FeLV) is a virus that weakens your cat's immune system. Unfortunately, when the immune system does not function properly, your cat may be more likely to develop other diseases, such as cancer and blood disorders. How Cats Contract Feline Leukemia Cats get feline leukemia from other

Zoonosis refers to diseases that can be transmitted to humans from animals. In particular, they occur when an infected animal passes on bacteria, parasites, fungi or viruses to humans through scratches, saliva, feces and urine. Vectors (e.g., organisms like fleas and ticks) can also carry zoonotic diseases

A cat’s urinary system can be negatively affected due to a variety of reasons, including suffering from an endocrine disease, such as diabetes mellitus and hyperthyroidism. More often, however, the cause of a urinary problem is a feline lower urinary tract disease (FLUTD). When problems with the urinary

Staphylococcus aureus is a type of bacteria that commonly live on the skin in both people and animals. Usually, this does not cause any problems. However, sometimes the bacteria can change so that the antibiotic methicillin no longer works on them—meaning, this drug cannot slow their growth or kill

Ringworm is a common skin condition in cats. In spite of its name, this condition is actually caused by a fungus, not a worm. One of the symptoms, though, is a circular rash on the skin that resembles a ring. However, this ring does not always appear. Cause of Ringworm The fungi that cause ringworm

Rabies deaths are uncommon in the U.S .these days, and public health officials intend to keep it that way. That’s why rabies vaccinations are required for cats and dogs in many states. Even indoor cats have to follow the law. Millions of animals—and more than 50,000 humans—around the world die

Pancreatitis is rare in cats, but can be very serious. It comes in two forms: chronic and acute, with chronic being more common for cats. The disorder happens when something triggers the pancreas to start destroying its own tissue. Function of the Pancreas This V-shaped organ is small—a cat’s pancreas

Feline leukemia virus (FeLV) is a retrovirus that, like feline immunodeficiency virus (another retrovirus), produces an enzyme known as reverse transcriptase, which allows the retrovirus to inject duplicates of its own genetic matter into the cells it has corrupted. Though closely related, because a

Feline infectious peritonitis (FIP) is a terminal disease that affects cat. Caused by feline infection peritonitis virus (FIPV), it is a mutation of feline enteric coronavirus (FECV) and is more likely to occur in environments where large groups of cats are together, such as animal shelters. The virus

Feline immunodeficiency virus (FIV) is a type of virus that weakens a cat’s immune system and makes it difficult for the cat to fight other infections. This virus affects only felines. Spread of FIV Between 1.5 and 3 percent of healthy cats in the United States are infected with FIV. Cats that roam

Fungi are spore-generating, parasitic organisms. They are able to survive by taking in food from the hosts on which they grow. Cats can develop fungal infections when fungi spores are ingested, inhaled or enter a cut or wound. Common sources of most fungal infections are soil and bird droppings, making

Feline distemper or feline panleukopenia is a highly contagious viral disease of kittens and adult cats caused by the feline parvovirus. It is also called panleukopenia as it affects the bone marrow and causes low white blood cell counts. It is relatively common in unvaccinated cats and is often fatal,

Canine distemper is caused by a virus that is shed in bodily fluids of infected animals. The virus affects primarily the lungs, intestines, and nervous system. Symptoms of the infection can include coughing, diarrhea, vomiting, inappetance, dehydration, weight loss, seizures, and encephalitis. Secondary

Salmonella is a bacterium that can cause disease in humans, dogs, cats, and other animals. It can cause a variety of symptoms, commonly vomiting and/or diarrhea, but also severe infections and septicemia. It can also cause abscesses, meningitis, bone infections, and abortion. Salmonella is found worldwide

Rabies is a fatal viral infection that is transmitted primarily through bite wounds. Skunks, bats, raccoons, and foxes are the primary carriers. Rabies is also fatal to humans, there has been only one case of a person surviving rabies when treatment was started after clinical signs were present. Puppies