If not treated, symptoms intensify. Tularemia causes a few deaths each year. Fatigue and loss of appetite are followed by a fever with chills, muscle aches, and headaches. In more extreme cases, blood may appear in the urine. Babesiosis is more severe in older people and those with no spleen.
Fatalities can occur in older patients.
The condition has been treated with drugs that are used to treat malaria, but with limited success. Generally, the disease is self-limiting and symptoms disappear on their own. Erlichiosis Most common in the southern United States, erlichiosis usually occurs in rural areas during May, June, and July. It is caused by a rickettsia belonging to the genus Erlichia. Often the symptoms are very mild.