MLB season 2021 - Which teams will have fans in the stands on Opening Day? - ESPN
The Architecture of Covid Vaccine Distribution - Bloomberg
MLB ballparks COVID-19 vaccination sites
Fenway Park named as second mass vaccination site, joining Gillette Stadium - The Boston Globe
Baseball stadiums are reopening this spring. What's the COVID risk? - ABC News
12 Unusual Places Where Americans Are Being Vaccinated - POLITICO
N.Y.'s governor outlines new seating rules for vaccinated baseball fans, and says Broadway will start to reopen Sept. 14. - The New York Times
See the World's Makeshift COVID-19 Vaccination Hubs
MLB opening day: COVID-19 infections rise as stadiums open to fans