VEGFA and tularemia: We also performed a comprehensive tick-borne panel, which included a C6 ELISA peptide; IgM/IgG Lyme Western blot; Babesia microti immunofluorescent assay (IFA); Babesia duncani antibody; Babesia fluorescent in situ hybridization (FISH) test; Bartonella titer and PCR; vascular endothelial growth factor (VEGF); Rocky Mountain spotted fever (RMSF, Rickettsia rickettsii) and tularemia (Francisella tularensis) titers; Q fever (Coxiella burnetii) titers; and Mycoplasma, Chlamydia pneumoniae, and Brucella titers.