Case 83
A 32-year-old man was admitted to a local hospital with fever and chills.  He reported traveling to Africa prior to becoming ill.  Routine blood tests were performed upon his admission to the hospital.  The images below were made from Giemsa stained blood smears (Figures A, B, C and D).  What is your diagnosis?  Based on what criteria?

A	B

C	D

Acknowledgement: This case was kindly provided by the Georgia Public Health Laboratory.

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Case 84
Several children from the same day care center developed diarrhea.  The images below were made from modified acid-fast stained stool specimens collected from the children (Figures A and B).  The objects seen measured 4.5 to 5.5 µm in diameter.  What is your diagnosis?  Based on what criteria?

A	B

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Images presented in the monthly case studies are from specimens submitted for diagnosis or archiving.  On rare occasions, clinical histories given may be partly fictitious.