'Students still have a sense of humour': Grad prank puts Calgary high school up for sale, for $20M

Students put 'For Sale' signs up at Western Canada High School as part of a graduation prank. (Contributed) Students put 'For Sale' signs up at Western Canada High School as part of a graduation prank. (Contributed)

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Health Canada authorizes new names for COVID-19 vaccines

Health Canada has authorized brand name changes for three COVID-19 vaccines. The Pfizer-BioNTech vaccine will now be named Comirnaty, the Moderna vaccine will be named SpikeVax, and the AstraZeneca vaccine will be named Vaxzevria, Health Canada said in a tweet Thursday.