Opioid and amphetamine dependence is associated with methicillin-resistant Staphylococcus aureus (MRSA) : An epidemiological register study with 73,201 Swedish in- and outpatients 1997–2013
Background: While methicillin-resistant Staphylococcus aureus (MRSA) is increasing in prevalence globally, Sweden is still a low-prevalence country enabling studies on the natural MRSA spread in subpopulations unaffected by a surrounding highly infected population. Substance dependence and injection drug use have been risk factors for MRSA carriage and infection in other countries. In this retrosp