… We read with interest the recent article on recrudescence and reinfection with Helicobacter
pylori in Bangladeshi adults. The investigators observed a high reinfection rate of H. pylori. …

… infection in South Korea was 46.6%, which showed the transition from a developing
country to a developed country. More studies on the epidemiological factors and the route of …

… This study contains reports from 62 out of 196 countries, with data lacking in several
developing countries. Reports were also conducted at different time periods, with several …

… The studies reviewed in this article show some evident differences in epidemiology between
developing and developed countries, notably among children. However, we do not think …

… pylori gastritis varies between countries and birth cohorts. Prevalence is usually high in
developing countries and low in developed countries… infection is common among also children H. …

… Higher prevalence rates are found in developing Asian countries while lower rates have
been reported in more industrialized and developed countries. Within a country, the …

… H pylori infection is acquired varies substantially between developing and developed countries…
70% of children in developing countries are infected with H pylori by age 15 as compared …

… of H pylori after eradication is rare in developed countries and more frequent in developing
countries… confirmed only in developed countries, while in developing countries a recent meta-…

… The rate of H pylori acquisition is higher in developing countries than in developed countries
and … Childhood is the major period for H pylori acquisition in developing countries (11–15) . …

… pylori infection is a global public health problem associated … , especially in developing
countries, since prevalence of H. … in developing countries; however, in developed countries, the …