As of June 29, 21 outbreaks at farms and greenhouse operations had infected 954 people across Canada, according to federal data.

Migrant farm workers are considered a vulnerable population and need to be supported should they fall ill, Canada's Chief Public Health Officer Dr. Theresa Tam told reporters on Thursday.

In a press release late Sunday, Mexico says Canada has committed to increased inspections, as well as more support for Mexican officials and workers to identify and report unsafe working conditions.