This as news of the previous outbreak at the Dunlop Drive location also in Guelph had finally gotten under control.
The latter outbreak began in December when 80 workers tested positive.
The company announced in a release yesterday that the new outbreak on Watson Drive has seen 5 staff test positive and another 20 go into isolating waiting further test results.
Cargill is working with Wellington Dufferin Guelph Public Health to monitor the situation.