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Section: Information In - depth
Ehrlichiosis is a tick-borne disease caused by one of several organisms. It is most often transmitted through the bite of the brown dog tick. Although seen more often in the southeastern part of the United States, it has been reported throughout the country. It can occur in any age or breed of dog, and is most common in the German shepherd dog. Different phases of the disease are associated with different clinical signs. The acute (immediate) phase develops within 8 to 20 days after the parasite enters the body. This delay between infection and manifestation of clinical signs is called the incubation period. The acute phase often lasts for two to four weeks. In some dogs, the acute phase resolves spontaneously without the dog showing any clinical signs. Some dogs go on to develop a subclinical infection that persists for months. The parasite remains in these dogs, but no clinical signs are produced.
Lymphosarcoma (lymphoma) is a malignant cancer that involves the lymphoid system of dogs. In a healthy dog, the lymphoid system is an important part of the body’s immune system defense against infectious...
Rocky Mountain spotted fever is an infectious, tick-borne disease caused by the organism Rickettsia rickettsii. Dogs at increased risk include those younger than four years of age and large breed dogs...
Canine babesiosis is a tick-borne disease caused by a protozoan blood parasite. The organism is spread to dogs through the bite of a tick and can infect dogs of all ages, although most infected dogs are...
Systemic lupus erythematosus is an autoimmune disease, which is one characterized by a specific antibody or cell-mediated immune response against the body's own tissues. The disease affects many organs...
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