… features in developing countries. In contrast to that in developed countries, H. pylori
infection in developing countries seems to be nearly universal, beginning in early childhood. …

… to be infected with Helicobacter pylori, mainly in the developing countries. Among those,
hundreds of millions of people develop peptic ulceration during their … Possible modes of H. …

… Helicobacter pylori (previously Campylobacter pylori) is now accepted as the major cause of
… The high age-specific prevalence of H. pylori infection in developing countries is probably a …

… pylori infection continues to vary strongly between developing countries and developed
countries, … factors among people living in the same country. Intrafamilial spread appears to play a …

… pylori infection is higher in developing countries when compared to developed countries,
and … among persons living in the same country. Prevalence of infection is decreasing in many …

… the mode of transmission of Helicobacter pylori between developed and developing countries:
direct human-to-… pylori in developing countries was pointed out in a study aimed to detect …

… of the infection in a variety of countries and ethnic groups. They … The prevalence of infection
in developed countries is falling, … Reinfection is more common in less developed countries. …

… HELICOBACTER PYLORI INFECTION Two independent systematic reviews and meta-
analyses on Helicobacter pylori … 50.8% in developing countries to 34.7% in developed countries; …

… that in developing countries due to increased exposure to H. pylori, colonisation with multiple
strains may be more common. The finding that patients can harbour multiple strains of H. …

… If the infection is common (as in developing countries or in persons with H. … Developed
countries typically have a lower prevalence of H. pylori infection at all ages but particularly among …