Blue Jays to require proof of vaccination or negative COVID test from fans 12 and over

Coronavirus outbreak: Live updates on COVID-19

Raptors, Leafs, Toronto FC, Jays to require vaccination proof for attendees - The Athletic

University of Michigan to require COVID vaccine or negative test to attend on-campus sports, events

Large events in Washington state will soon require proof of COVID vaccination or a recent negative test

Colts cheered on by sold-out stadium, largest crowd since 2019

KUOW - Inslee orders proof of vaccine or negative Covid-19 test at large events

Astros don't expect any issues with upcoming Toronto trip due to Canada's vaccine mandate

Blue Jays fans to have proof of vaccination or negative COVID-19 test

AEG to Require Proof of Vaccinations at Venues – Billboard

It's play ball for New York: Mets, Yankees can reopen with fans, at 20% capacity - Newsday

Blue Jays to require proof of vaccination or negative COVID test to enter Rogers Centre

COVID-19 vaccination proof will be required for Broadway patrons, workers - Good Morning America