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: Social & Preventive Medicine
All of the following factors contribute to Resurgence of malaria, except: 
Select and explain. 
A. Drug Resistance in host, B. Drug Resistance in parasite, C. Drug Resistance in vectors, D. Antigenic variations in parasite
A: Drug Resistance in host
Answer: A: Drug Resistance in host 
Explanation: Drug resistance in the host does not contribute to Resurgence of malaria, whereas Drug resistance in vectors and parasites and antigenic variations in parasites leads to resugence of malaria. Ref: The Anthropology of Infectious Disease : International Health Perspectives By Marcia Claire Inhorn, Peter J. Brown, Pages 119-127; Medical Disorders in Pregnancy : An Update By Hiralal Konar, Pralhad Kushtagi, Page 77.