TY - NEWS T1 - Migrant workers from Mexico undergoing more stringent tests N2 - Mexican migrant labourers are at work in Grey-Bruce now, mostly at apple orchards in eastern Grey County, as the world’s attention focuses on the swine flu outbreak first reported last week in Mexico. A1 - Dunn, Scott Y1 - 2009/// UR - http://www.owensoundsuntimes.com/ArticleDisplay.aspx?e=1544046&archive=true Y2 - 2011-06-17 JA - The Sun Times ER -