Noun

(en noun)

Any member of the Helicobacter bacteria.

*{{quote-news, year=2007, date=April 24, author=Nicholas Bakalar, title=Resistance: Bacterium Linked to Ulcers May Lower Risk of Asthma, work=New York Times citation

, passage=“We provide evidence that there is a relationship between the decrease in helicobacter prevalence and the increase in childhood asthma.” }}