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A lesion on the hand of a person with cat-scratch disease. Cat-scratch disease commonly presents as tender, swollen lymph nodes near the site of the inoculating bite or scratch or on the neck, and is usually limited to one side. This condition is referred to as regional lymphadenopathy and occurs 1–3 weeks after inoculation. [5]
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 (CSD), which is also sometimes called cat scratch fever, occurs when someone comes into contact with Bartonella henselae bacteria, according to Verywell Health.
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 ...
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.
After a cat bite, the skin usually closes rapidly over the bite and may trap microorganisms. [14] [8] The bite from a cat can infect a person with: Cat-scratch disease, caused by the bacterium Bartonella henselae [8] [15] Cat-scratch disease is a bacterial disease that people may get after being bitten or scratched by a cat.
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 ...
The acute phase is also called the hematic phase or Oroya fever. [2] The most common findings are fever (usually sustained, but with temperature no greater than 102 °F or 39 °C), pale appearance, malaise, painless liver enlargement , jaundice , enlarged lymph nodes , and enlarged spleen .