Can also be transmitted via blood transfusion. Symptoms vary widely, but most frequently are weight loss and lethargy. Blastomycosis Internal fungal infection more common in the hunting and sporting breeds. Typically, active spoors are inhaled from the soil and the lungs become the conduit for this fungus. Once inside the body, the internal heat makes an ideal breeding ground for the fungus.
Early detection is the key.
Enlarged or inflamed joints or organs, lesions or enlarged lymph nodes, and loss of appetite. Chest x-rays are also key diagnostic tools. Giardia Parasitic protozoa which can cause severe diarrhea. Note that albendazole is not recommended for pregnant animals. It does point out that while people get giardia it is a different giardia and that it is unlikely that people can get giardia from their pets but caution is advised.