Cat self scratch Bartonella henselae, a bacterium.

Cat self scratch- What is cat-scratch illness? Cat-scratch illness is an infectious disease that outcomes from a scratch or bite by a cat. Persons with cat-scratch illness can have a range of illnesses from mild to severe. What is the infectious agent that causes cat-scratch disease? Cat-scratch disease is caused by Bartonella henselae, a bacterium. Where is cat-scratch illness found? The bacterium that causes cat-scratch illness is discovered in all parts of the world. The bacterium is carried by cats and kittens. Infected animals do not become sick. How is cat-scratch disease spread? The disease is spread by a scratch or bite from a cat, most often a kitten. The infection spreads from the web site of the scratch or bite to the lymph glands. Cats that spread the infection do not look sick. The infection is not spread from person to individual. What are the signs and symptoms of cat-scratch disease? A blister or sore, with or with out pus or fluid, typically shows up on the skin at the place where the bacteria entered the body. Within 2 weeks, the lymph glands nearby normally turn out to be swollen and tender. In most youngsters and adolescents, swollen glands are the main symptom. Adults usually have other symptoms such as low fever, tiredness, headache, and loss of appetite. About five% of persons with cat-scratch disease develop irreversible retinitis (inflammation of the retina of the eye) or encephalitis (inflammation of the brain). Persons with weakened immune systems can turn into far more seriously ill.
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