1. Recent prospective studies suggest that persons with H. pylori infection and higher WBC levels are high-risk population for gastric cancer
occurrence, and not lower WBC range.
2. H.Pylori stays in stomach and does not enter blood stream so will have no effect on the WBC count
, check for an underlying/hidden cause [fever] of other pathology.
3. If the organism is not resistant to therapy, it can be cured in 90% of case, if after 6 months symptoms still persist,your doctor can perform additional tests: stomach biopsy