Increased levels of lymphocytes are associated with which type of infection?

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Increased levels of lymphocytes are most commonly associated with viral infections. Lymphocytes are a type of white blood cell that play a crucial role in the immune response, particularly in defending against viral pathogens. During viral infections, the body mounts an adaptive immune response, leading to an increase in the number and activity of lymphocytes, especially T-cells and B-cells, which specifically target the virally infected cells and help produce antibodies.

This increase in lymphocytes is a hallmark of viral infections as compared to other types of infections, such as bacterial, fungal, or parasitic. In bacterial infections, for example, the immune response is more likely to lead to an elevation in neutrophils rather than lymphocytes. Understanding this association allows healthcare professionals to interpret laboratory results effectively and helps guide appropriate clinical decisions for the management of infections.

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