30th July 2023

A 33-year-old man with no significant past medical history is currently on a backpacking trip in South America

A 33-year-old man with no significant past medical history is currently on a backpacking trip in South America. Three weeks prior, he went swimming in one of the lakes by the camp. Yesterday he started developing a fever, chills, myalgia, abdominal pain and diarrhoea.

Blood tests on admission indicate a raised eosinophil count.

What is the likely causative organism?

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