About Helicobacter pylori, all are true except:: (A) Is a Gram -ve spiral bacteria, (B) Uncommon in undeveloping Asian countries, (C) Urea breath test +ve, (D) Associated with duodenal ulcer
Answer is B. Ans is 'b' i.e., Uncommon in undeveloping Asian countries (Ref: Harrison, 17th/e, p.946,19th/e, p. 1038; Ananthanarayan, 9th/e, p. 400)Approximately 85% of developing countries are affected by H. pylori.