Helicobacter pylori H. pylori is a spiral gram-negative bacillus that infects human gastric epithelia 1. It was first cultivated by Warren and Marshall in 1983 2.
Helicobacter pylori H. pylori es un bacilo espirilado Gram negativo que infecta el epitelio gástrico humano 1 cultivado por primera vez por Warren y Marshall en 1983 2.