ScienceDaily (Dec. 18, 2008) — Almost half of the world population is infected with bacteria Helicobacter pylori which colonizes stomach, causing gastritis and ulcers and is recognized by WHO as a type I carcinogen. Current antibacterial treatment, implemented after the seminal discovery that H. pylori infection is the underlying cause of ulcers, which brought the discoverers the Nobel Prize in 2005, requires combination of at least three different drugs to eliminate bacteria.
