2nd August 2023

A 54 year old woman presents with a 4day history of fevers, fatigue, and muscle and joint pain.

A 54 year old woman presents with a 4day history of fevers, fatigue, and muscle and joint pain. She explains that these symptoms were similar to the illness she suffered in Zimbabwe, recently where she was diagnosed and underwent treatment for malaria. She was treated successfully with artemether-lumefantrine. A rapid diagnostic test for malaria comes back positive.

What is the most likely pathogen responsible for the diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.