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Cat-scratch disease (CSD) is an infectious disease that most often results from a scratch or bite of a cat. [4] Symptoms typically include a non-painful bump or blister at the site of injury and painful and swollen lymph nodes. [2] People may feel tired, have a headache, or a fever. [2] Symptoms typically begin within 3–14 days following ...
Bartonella henselae, formerly Rochalimæa henselae, is a bacterium that is the causative agent of cat-scratch disease [1] (bartonellosis). Bartonella henselae is a member of the genus Bartonella, one of the most common types of bacteria in the world. [specify] It is a facultative intracellular microbe that targets red blood cells.
Cat scratch disease occurs worldwide. Cats are the main reservoir of Bartonella henselae, and the bacterium is transmitted to cats by the cat flea Ctenocephalides felis. [29] Infection in cats is very common with a prevalence estimated between 40 and 60%, younger cats being more commonly infective. Cats usually become immune to the infection ...
Cat scratch disease (CSD), which is also sometimes called cat scratch fever, occurs when someone comes into contact with Bartonella henselae bacteria, according to Verywell Health.
If an infected cat bite is left untreated, it can develop into cat scratch fever, which is a bacterial infection that causes flu-like symptoms and can cause serious complications such as ...
On microscopic examination, the chronic phase and its rash are produced by angioblastic hyperplasia, or the increased rates and volume of cell growth in the tissues that form blood vessels. This results in a loss of contact between cells and a loss of normal functioning. [2] [7] The chronic phase is the more common phase.
Doctors at the Centers for Disease Control and Prevention (CDC) put together a survey of a cat-born disease called "Cat-Scratch Fever" (CSF) and it may be potentially dangerous.
If a cat is carrying Bartonella henselae, then it may not exhibit any symptoms. Cats may be bacteremic for weeks to years, but infection is more common in young cats. Transmission to humans is thought to occur via flea feces inoculated into a cat scratch or bite, and transmission between cats occurs only in the presence of fleas.