This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Heterozygous sickle cell anaemia gives protection against: 
Select and explain. 
A. G6PD, B. Malaria, C. Thalassennia, D. Dengue fever
B: Malaria
Answer: B: Malaria 
Explanation: None