Task: Answer Verification
Input (English): Question: Does infection of sabA-positive H. pylori induce anti-Lewis X antibody in host?
Answer: Possession of the sabA gene by infected H. pylori strain might not associate with the presence of anti-LeX antibody in the host. Possession of sabA gene by infected H. pylori might not associate with severity of gastric mucosal inflammation.
Output (English): no