"CN Rail makes COVID-19 vaccination mandatory for workers"

"In the face of a resurgence in COVID-19 cases, spurred by the highly contagious Delta coronavirus variant, many..." (Reuters, 2021)

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References:
Reuters. (2021, September 8th). CN Rail makes COVID-19 vaccination mandatory for workers. Retrieved from Edmonton Journal: https://edmontonjournal.com/pmn/business-pmn/canadian-national-railway-makes-covid-19-vaccination-mandatory-for-workers/wcm/838ab60d-ccc0-43e7-b024-ead7671f1c13