Wu's office announced that the city of Boston will require proof of vaccination in certain indoor spaces beginning on January 15, 2022, following in the foot steps of mayors of several cities across the country.

That January deadline requires adults in the city to prove they have received at least one dose of a COVID-19 vaccination to enter bars, nightclubs, gyms, entertainment venues, and to eat indoors. The single dose requirement is the initial phase of the vaccine passport policy that has been dubbed the B Together Initiative. The second stage of the initiative takes effect one month later on February 15 when proof of full vaccination will be required instead. These same requirements will be thrust upon employees of these businesses.