USA - Purdue experts on pigs and MRSA infection say link is highly speculative

http://www.medicalnewstoday.com/articles/142396.php

17-Mar-2009 (17 years 2 months 27 days ago)
MRSA, (methicillin-resistant Staphylococcus aureus), or antibiotic-resistant staph, can be found anywhere in nature, according to Paul Ebner, a livestock microbiologist. While he said there has been an increase in the number of these infections and that pigs and other animals can be carriers, the vast majority of infections come from skin-to-skin contact with infected humans.