Case 3
A 75-year-old man had gastrointestinal bleeding while in Nigeria and received 8 units of
whole blood that was reportedly imported from India. After his return to the United States
two months later, he experienced fever (101º) and chills. Blood smears were submitted to a
laboratory; one Plasmodium species was identified but assistance was requested for
identification of a possible second species. Figures A-F were observed on a Wright’s-Giemsa
stained thin smear. What is your diagnosis and species determination? Based on what
criteria?