This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable Diseases, Subject name: Social & Preventive Medicine
Malaria is regarded as a disease caused by: 
Select and explain. 
A. Protozoa, B. Bacteria, C. Virus, D. Prions
A: Protozoa
Answer: A: Protozoa 
Explanation: Ans) a (protozoa) Ref park 20th ed p 222Malaria is a protozoal disease caused by infection with parasites of genus plasmodium and transmitted to man by certain species of infected female Anopheline mosquito.