"Bacteria-killing copper to be installed on Toronto and more Vancouver transit vehicles"

"This new round of testing seeks to confirm those results from the first phase in Vancouver by evaluating copper surfaces on..." (TransLink, 2021)

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References:
TransLink. (2021, Sept 30th). Bacteria-killing copper to be installed on Toronto and more Vancouver transit vehicles. Retrieved from Mass Transit: https://www.masstransitmag.com/safety-security/press-release/21240480/translink-bacteriakilling-copper-to-be-installed-on-toronto-and-more-vancouver-transit-vehicles