Canadian-based biopharmaceutical company Medicago has developed a coronavirus vaccine candidate that is derived from a tobacco plant.
https://www.dailymail.co.uk/health/article-9492975/Can-PLANT-extract-protect-against-COVID-Clinical-trial-begins-vaccine-tobacco-shrub.html?ns_mchannel=rss&ns_campaign=1490&ito=1490&utm_source=dlvr.it&utm_medium=blogger