Effectiveness of mRNA and ChAdOx1 COVID-19 vaccines against symptomatic SARS-CoV-2 infection and severe outcomes with variants of concern in Ontario
bioRxiv (2021) - Comments
doi: 10.1101/2021.06.28.21259420 

Sharifa Nasreen, Hannah Chung, Siyi He, Kevin A. Brown, Jonathan B. Gubbay, Sarah A. Buchan, Deshayne B. Fell, Peter C. Austin, Kevin L. Schwartz, Maria E. Sundaram, Andrew Calzavara, Branson Chen, Mina Tadrous, Kumanan Wilson, Sarah E. Wilson, Jeffrey C. Kwong