An uncertain association between influenza season, recent influenza vaccination campaigns, and unconfirmed repeat reactive syphilis serology assay results in Canadian blood donors. Issue 2 (10th February 2022) - Drews, Steven J.; Bodnar, Melanie; Gill, Balkar; Carson, David; Hawes, Gordon; Yi, Qi‐Long; Tran, Vanessa; Zhou, Hong Yuan; Bigham, Mark; O'Brien, Sheila F.