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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 ]
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.
Kittens in particular are more likely to be infected with and pass along CSD, and are also considered more likely to scratch and bite a human while playing compared to an older cat.
P. multocida causes atrophic rhinitis in pigs; [4] it also can cause pneumonia or bovine respiratory disease in cattle. [5] [6] It may be responsible for mass mortality in saiga antelopes. [7] In humans, P. multocida is the most common cause of wound infections after dog or cat bites. The infection usually shows as soft tissue inflammation ...
However, many tick bites do not cause a bullseye rash; it appears in about 70 to 80% of Lyme patients. Other symptoms to note : You might actually find a tick attached to you before a tick bite ...
A venomous spider bite (like this brown recluse bite) can cause a red or purplish rash radiating from the site of the bite. There are only a few species of spiders in the U.S. that can bite humans.
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 bites are bites inflicted upon humans, other cats, and other animals by the domestic cat (Felis catus). [1] [2] Data from the United States show that cat bites represent between 5–15% of all animal bites inflicted to humans, [3] [4] but it has been argued that this figure could be the consequence of under-reporting as bites made by cats are considered by some to be unimportant.