Multiple choice Which of the following is a pair of protozoan diseases? Chagas’ disease and malaria Ebola haemorrhagic fever and dengue haemorrhagic fever Typhoid fever and yellow fever Cholera and diphtheria Bubonic plague and rabies Reveal answer Fill a bubble to check yourself A Correct answer Explanation Chagas’ disease is caused by Trypanosoma cruzi (protozoan). Malaria is caused by Plasmodium falciparum (protozoan).