| infection levels of intestinal helminths in two commensal rodent species from rural households in yucatan, mexico. | the aim of the present study was to calculate the prevalence and intensity of intestinal helminths in the house mouse (mus musculus) and the black rat (rattus rattus) trapped in rural households of yucatan, mexico. sampling was conducted during the rainy season from october to december 2011 and the dry season from january to march 2012. a total of 154 m. musculus and 46 r. rattus were examined, with 84.2% of m. musculus being infected with helminths compared with a significantly lower prevalence ... | 2015 | 24000977 |