Skip to main content
. 2022 Mar 17;8:12. doi: 10.1186/s40813-022-00255-0

Fig. 1.

Fig. 1

Evolution of the percentage of pig samples positive to mcr-1 gene and the polymyxin sales reported in Spain for veterinary medicine. Data on polymyxin sales were available from 2010 to 2020 (the latest year reported currently by ESVAC). These data was represented in three different periods with the same data collection system, as it was specified in the ESVAC report for spain. PCU: population correction unit. *No mcr-1 gene prevalence dta in the years 1999, 2000, 2001, 2003, 2005, 2007, 2009, 2014, 2016 and 2020