Migration from an area where MS is common to an area where it is rare (and vice versa)
affects the risk of MS, provided migration occurs in childhood. A childhood infection might …

Multiple sclerosis (MS) appears to be more common in technically advanced countries than
in underdeveloped regions and migration from one area to an-other at a young age affects …

A study of multiple sclerosis (MS) frequency among immigrants to Israel revealed that those
from Afro-Asian countries, where MS is rare, had a low prevalence of MS, while European …

Both mortality and morbidity data indicate quite clearly that multiple sclerosis is a
geographically-related disease, and thus MS can be thought of as an acquired …

Geographically, multiple sclerosis (MS) seems to be distributed into three zones of high,
medium, and low frequency. High-frequency areas, with prevalence rates over 30 per …

Multiple sclerosis (MS) most commonly affects individuals of Northern European descent
who live in countries at high latitude. The relative contributions of ancestry, country of birth …

We studied offspring of Vietnamese mothers and French fathers who had been born in
Vietnam and brought to France to be raised. All but 72 of 3,451 such individuals completed …

To re-evaluate how migrant studies contribute to our understanding of the epidemiology and
aetiology of multiple sclerosis, we undertook a systematic review of all relevant studies …

In this first figure we see the distribution of multiple sclerosis in Switzerland from the survey
of Georgi and Ha11. 2 Cases are allotted by county of residence, and county prevalence …

Eighty-eight multiple sclerosis case-friend pairs were interviewed by telephone to elicit
information about early-life exposures. Available mothers were also interviewed. Risk factors …