Mitsubishi Tanabe Pharma Corp.'s Medicago Inc. plans to "imminently" seek Health Canada approval for its plant-based COVID-19 vaccine candidate, MT-2766, after top-line phase III results showed an overall vaccine efficacy rate of 71% against all variants of SARS-CoV-2.

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LONDON – New research shows the extent to which an individual’s immune response to the SARS-CoV-2 virus is affected by which variants they are initially exposed to, a finding that has consequences for attempts to update vaccines against emerging variants of concern.

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