Do you routinely test for co-infection of other tick-borne illnesses in a patient who tests positive for Lyme, anaplasmosis, babesiosis, or ehrlichiosis?

Do you routinely test for co-infection of other tick-borne illnesses in a patient who tests positive for Lyme, anaplasmosis, babesiosis, or ehrlichiosis?

• I always test for other tick-borne illnesses regardless of a patient's presentation
• My testing of other tick-borne illnesses is guided by the patient's presentation
• I rarely test for other tick-borne illnesses unless the patient does not improve on targeted therapy for the initial illness
• I usually test for Lyme, anaplasmosis, or ehrlichiosis co-infection but typically not babesiosis unless the presentation and laboratories are suggestive
• Other