This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lymphatic System, Subject name: Surgery
Most common bacterial infection in lymphedema is:- 
Select and explain. 
A. Staphylococcus, B. Streptococcus, C. E. coli, D. Pseudomonas
B: Streptococcus
Answer: B: Streptococcus 
Explanation: The most common complication of both primary and secondary lymphedema is Erysipelas(streptococcus infection) Cellulitis may occur concurrently in lymphedema because of pooling of protein rich lymph fluid makes it easier for the patient to develop an infection.