CH. 21 DISEASES OF THE RESPIRATORY TRACT

Early symptoms may include fever, headache, fatigue, depression, and a characteristic circular skin rash called erythema migrans. African Sleeping sickness: caused by a parasite, fever, headaches, joint pains, and itching. Invasion of the circulatory and lymphatic system by the parasites is associated with severe swelling of lymph nodes, often ... ................
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