raybbr, Great Britain also seems to have community acquired MRSA. I don't think their problem originates from south of the Rio Grande.
jocon, living in close proximity and poor hygiene were mentioned as other risk factors.
"More relevant" means there is a higher incidence rate among those people. (From the Center for International Development at Harvard University)
Rosamund Williams, M.D., World Health Organization Dr. Williams’ addressed the problem of AMR in developing countries, which lack much of the basic infrastructure for tracking and curbing antibiotic overuse. Dissemination of information on proper use is an important first step. In developing countries, both physicians and patients must be targeted. To increase the effectiveness of education efforts, researchers need to understand patients’ preferences for care. In many cultures patients expect to receive a pharmaceutical, often in intravenous form, as a routine matter of care.
From the same report. I don't mean to say that the growth in Antimicrobial Resistance (AMR) is solely a problem with immigrants. If you read these reports they use careful language when referencing the source of some of the cases of AMR. Ignoring those cases and the problems they present is a cause for concern. When it comes to national health political correctness needs to be thrown out the window, fast.