Patrons and staff at indoor spaces in Boston -- including restaurants, bars, nightclubs, fitness facilities and entertainment venues -- will need to show proof they are vaccinated against COVID-19 starting next month, under a policy Mayor Michelle Wu announced Monday that marks a major shift from current practice in the city. Stay informed about Massachusetts news, weather, breaking news and investigations! Follow WWLP on our website and social channels: https://www.wwlp.com/ / wwlp / wwlp22news / wwlp22news / wwlp22news