The primary inoculation lesion often appears as a small, pustular papule that may be pruritic or asymptomatic. This specific bacterial pathogen, a Gram-negative bacillus, manipulates the host immune system to establish a persistent intracellular infection within endothelial cells and red blood cells.
Bartonella Henselae Symptoms Diagnosis Treatment
Children should be instructed to avoid rough play with cats and kittens, particularly those that are young or appear ill, and to wash any scratches or bites immediately with soap and water to reduce the risk of inoculation. Veterinarians recommend strict, year-round flea prevention for cats, utilizing veterinarian-approved topical or oral treatments to disrupt the transmission cycle.
Patients typically present with tender, swollen lymph nodes, most commonly in the axilla, cervical, or epitrochlear regions, accompanied by low-grade fever, fatigue, and malaise. Bartonella henselae infection represents the primary cause of cat scratch disease, a zoonotic condition typically acquired through the scratch or bite of an infected feline.
Bartonella Henselae Symptoms Diagnosis Treatment
However, interpreting results is complex due to the high seroprevalence in healthy cat populations, necessitating a correlation with symptoms and exposure history to avoid misdiagnosis. Transmission and the Flea-Cat-Human Cycle The transmission cycle of Bartonella henselae is intricately tied to domestic and feral cat populations.
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