As nearly 7,000 Americans have fallen ill from a parasitic outbreak traced to a single Mexican farm's lettuce, Canada stands at the edge of the crisis — watching, testing, and so far untouched. The episode is a quiet reminder of how invisible the threads of a continental food system can be, and how swiftly a contaminated irrigation source can become a public health emergency thousands of miles away. Canadian officials have confirmed no domestic cases and no tainted product in the supply chain, though the border between safety and exposure is, in the end, a matter of vigilance rather than geogr
Canada reports no cyclospora cases as U.S. outbreak sickens nearly 7,000
Nearly 7,000 people in the United States have been sickened with cyclosporiasis, experiencing severe gastrointestinal illness lasting six to seven weeks.