This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Warthin- Finkeldey giant cells are seen in 
Select and explain. 
A. Influenza, B. Mumps, C. Pneumonia, D. Rubeola
D: Rubeola
Answer: D: Rubeola 
Explanation: (Rubeola) (518-A7th)MEASLES (RUBEOLA) - Multinucleate giant cells (Warthin- Finkeldey cells) are also found in the lymphoid tissues of patientsVon Magnus - Phenomenon - due to the formation of incomplete virus particles lacking nucleic acid- seen in Influenza virus