Big step towards H. pylori vaccine

Chinese researchers have developed a vaccine for helicobacter pylori (H. pylori) which has a 72% efficacy rate within the first year, according to a study published in The Lancet.

They have conducted a study involving 4464 children that shows 14 of those randomised to the vaccine experienced infections in the first year, compared with 50 infections for those on placebo.

After three years