- Kinde et al. reported (J. Food Protection January 2007) about Salmonella outbreak in San Diego County, CA, 2004
- In response to the outbreak, Multi-agency project was initiated and samples of cheese collected during four 1-day operations at the San Ysidro port of entry, along U.S. - Mexico border
- Persons crossing border as pedestrians or in vehicles had minimum of 2.27 kg of cheese