Tick born ds' in nj can be lyme, anaplasma, erlichia, babesia or even rocky mt spotted fever
. Certainly this presentation could be anything from bacterial, viral, parasitic or fungal infection
. Would do basic fever w/u (good pe; cultures blood, urine
; liver panel; cxr; esr
/crp); check thick/thin blood smear
. Treat based on findings.