Categories Search Canada Online Listing Human trials for 2 inhaled COVID-19 vaccines to start in Hamilton in 2022 Post author By Search Canada Online Listing Blog Post date December 7, 2021 Human trials are set to begin early next year for two next-generation COVID-19 vaccines developed by scientists at McMaster University in Hamilton, researchers said Tuesday. Share this:FacebookX Related ← Climate change could cost billions in additional building maintenance: report → Human trials for 2 inhaled COVID-19 vaccines to start in Hamilton in 2022