This blood sample was taken from a patient complaining of da…

This blood sample was taken from a patient complaining of daytime sleepiness and dizziness.  The patient recently returned from a two year volunteer assignment with the Peace Corp in Uganda, Africa.  She had fever, swollen cervical lymph nodes, and aching joints.  She showed no visible signs on the skin such as rash or lesions.  What preliminary diagnosis would you give the patient?

A nursing assistant presented with a 3-day history of fever…

A nursing assistant presented with a 3-day history of fever and malaise.  Physical examination revealed jaundice, light-colored feces, and dark urine.  Liver enzymes that indicate liver function were elevated.  Blood cultures were negative for bacteria.  The likely route of transmission of his infectious disease: