World Canada Rejects 300,000 Doses of J&J Vaccine Made in U.S. June 12, 2021June 12, 2021IAN AUSTENComments Off on Canada Rejects 300,000 Doses of J&J Vaccine Made in U.S. The Canadian regulator also banned the use of all products made at Emergent BioSolutions’ plant in Baltimore until it conducts an on-site inspection.