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: Microbiology
Most common complication of chicken pox 
Select and explain. 
A. Varicella pneumonia, B. Secondary bacterial pneumonia, C. Chorioretinitis, D. Reye's syndrome
B: Secondary bacterial pneumonia
Answer: B: Secondary bacterial pneumonia 
Explanation: M/c - secondary bacterial pneumonia(strept > staph)
Most dangerous - Varicella pneumonia.