Incubation time ranges from 1-14 days
Onset of illness characterized by fever (may be biphasic), chills, headache, myalgias, malaise, photophobia
Less commonly sore throat, vomiting, abdominal pain, skin rash (macular or petechial)
Rarely, patients may develop severe illness that affects central nervous system with symptoms including neck stiffness and confusion
Colorado tick fever
Babesiosis
Scabies
Rat bite fever
Ehrlichiosis
Heartland virus
Chikungunya
Lyme