A 25 year old male recently returned from Thailand and is now complaining of headache, malaise and fever. Which of the following is the most important

[Tiffany Wong]

#april2020amc1

A 25 year old male recently returned from Thailand and is now complaining of headache, malaise and fever. Which of the following is the most important investigation?

A.Electrolytes
B.Bowel biopsy
C.Thick and thin blood smear
D.Stool