This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Social & Preventive Medicine
Modes of disease transmission by vectors are all except? 
Select and explain. 
A. Regurgitation, B. Biting, C. Ingestion, D. Rubbing of of infected excrement
C: Ingestion
Answer: C: Ingestion 
Explanation: Modes of disease transmission by vectors are: Biting Regurgitation of ingested material Rubbing of of infected excrement Contamination by body fluids of the vector Ref : Park's Textbook of Preventive medicine