https://apnews.com/cacaceb1cead8cca842cc7379750669d > A Canadian drugmaker said its plant-based COVID-19 vaccine showed strong protection against the virus and will soon seek authorization at home and elsewhere. > Medicago announced Tuesday that its two-dose vaccine was 71% effective at preventing COVID-19 infection in a large, late-stage study that included several variants including the delta variant. The company’s results did not include the emerging omicron variant, which wasn’t circulating during the study period.