Microbiology A company executive , who travels world wide, presents with upper abdominal mass and +ve casoni’s test. The organism is – A Echinococcus B Entamoeba histolytica C Hepatitis D Ascariasis 💡 Explanation A company executive , who travels world wide, presents with upper abdominal mass and +ve casoni's test. The organism is - ✓ Correct Answer: A. Echinococcus