This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
Virus infected cell is killed by? 
Select and explain. 
A. Interferons, B. Macrophages, C. Neutrophils, D. Autolysis
B: Macrophages
Answer: B: Macrophages 
Explanation: Macrophages are a type of white blood cell that engulfs and digests cellular debris, foreign substances, microbes, cancer cells, and virus cells Reff: Ananthanarayanan & Panikers textbook of microbiology 9th edition pg: 137