<prompt> A patient of peptic ulcer disease. When investigated endoscopically showed chronic antral gastritis. Which of the following dye will be able to stain the specimen?PASZeihl-Neilson stainGram stainWarthin-Starry stain  <response>: Ans. d Warthin-Starry stainRef: Sabiston 20th Edition, Pages 1197-1198 The stain used for H. pylori are --Warthin Starry and Silver stain. Other stain used is Giemsa stain. 