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
Wahin-Finkeldey giant cells are seen in ? 
Select and explain. 
A. Measles, B. Rubella, C. Influenza, D. Rickettsial pox
A: Measles
Answer: A: Measles 
Explanation: Ans. is 'a' i.e., Measles Wahin-Finkeldey cells are multinucleated giant cells. These cells are pathognomic of measles and are found in lymphoid organs, lung and sputum.