Lyme Handbook

Excerpted from the  ALDF.

Human granulocytic anaplasmosis (HGA), previously known as human granulocytic ehrlichiosis (HGE), is a tick-associated disease caused by a species of bacteria called Anaplasma phagocytophilum. HGA is transmistted to humans by the bite of the deer tick and western black-legged tick.

People exposed to the disease agent often have difficulty being diagnosed because of the non-specific nature of the symptoms. Most experience headaches, fever, chills, myalgia, and malaise that can be confused with other infectious and non-infectious diseases. Rashes are rarely reported by people exposed to HGA.

For more info:  http://www.aldf.com/Anaplasmosis.shtml