Karajvanov, Alexander K.; Kim, Dongwoo; Lu, Shih En; … - 2022
We evaluate the impact of government mandated proof of vaccination requirements for access to public venues and non … surge in new vaccinations (more than 60% increase in weekly first doses) using the variation in the timing of these measures … vaccination rates and 790,000 or more first doses for Canada as a whole as of October 31, 2021 (5 to 13 weeks after the provincial …