fever, headache, chills, severe muscle pain, fatigue, nausea, vomiting, rash, cough, lymphadenopathy (?), arthralgia (?), stiff neck, erythema migrains (?), leukopenia (low WBC), thrombocytopenia (low platelet ?),elevated AST, elevated ALT & anemia
Rocky Mountain Spotted Fever is another possiblity:
all of the above except no stiff neck, no erythema migrains, and no leukopenia.
(I ended up testing possitive to RMSF) I was a very sick puppy last year.