TY - RPRT TI - Variant emergence, not vaccine deployment, drives episodic positive selection on the SARS-CoV-2 spike at provincial scale in Canada AU - Tomas, M. AU - Ndongo, C. P. K. AU - Vilain, M. AU - Aris-Brosou, S. PY - 2026 DO - 10.64898/2026.05.16.725625 UR - https://www.biorxiv.org/content/10.64898/2026.05.16.725625v1 ID - 10.64898/2026.05.16.725625 ER -