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: Medicine
According to WHO guidelines, latent TB should be ruled out in all the following situations except: 
Select and explain. 
A. Before treatment with TN F-alpha inhibitors, B. Chronic alcoholics, C. Silicosis, D. Hemodialysis
B: Chronic alcoholics
Answer: B: Chronic alcoholics 
Explanation: Ans: B. Chronic alcoholicsAccording to WHO guidelines, latent TB should be ruled out before treatment with TNF-alpha inhibitors, in patients of silicosis and patients undergoing hemodialysis among the provided options.Specific High-risk PopulationsHIV infectiondegRecent contact with an infectious patientInitiation of an anti-tumor necrosis factor (TNF) treatmentdegReceiving dialysisdegReceiving an organ or hematologic transplantation SilicosisdegBeing in prisonBeing an immigrant from highTB burden countriesBeing a homeless personBeing an illicit drug user