Multiple choice

The causative agent of travellers diarrhoea is

  1. Naegleria fowleri

  2. Giardia lamblia

  3. Rhinosporidium seeberi

  4. Toxoplasma gondii

  5. Dientamoeba fragilis

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Dientamoeba fragilis is a single-celled parasite found in the gastrointestinal tract of humans, pigs and gorillas. It is an important cause of travellers diarrhoea, chronic diarrhoea, fatigue and, in children, failure to thrive.