Health A-Z

Lyme Disease

Clinical Definition Lyme disease is a vector-driven infectious disease caused by the Borrelia burgdorferi bacterium from the bite of a tick. The majority of cases present with acute signs and symptoms as the body mounts an immune response, including the hallmarkerythema migrans rash (it looks like a target) which occurs within one month of the bite. Bacteria spread

Lymphoma

Clinical Definition Lymphoma is a cancer of the lymph system that occurs when white blood cells, known as lymphocytes, become abnormal. In Our Own Words Lymphoma is the most common type of blood cancer. However, there are many different types of lymphoma and they fall into two main categories: Hodgkin lymphoma or non-Hodgkin lymphoma (NHL).

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