https://www.mercurynews.com/2021/12/21/san-jose-mayor-calls-for-new-booster-requirement-heres-what-you-need-to-know/ > With the Omicron variant fueling another dangerous surge of coronavirus cases, the mayor of the nation’s tenth largest city wants to require that employees and visitors of city-owned venues show proof of a booster shot. > San Jose Mayor Sam Liccardo announced a new plan Tuesday to require proof of full vaccination and an additional booster shot in order for residents or visitors to enter city-owned facilities like the SAP center and as a condition of employment with the city.