IRVINE, Calif.—Effective immediately, Irvine is requiring all city employees to be fully vaccinated or participate in weekly COVID-19. It’s also mandating all individuals—regardless of vaccination status—to wear masks in government buildings. City employees since Aug. 1 have been required to show proof of vaccination, or present a negative COVID-19 test to enter municipal buildings.  The cities of Long Beach and Los Angeles recently announced the same requirement for employees. However, it is unclear whether other Orange County cities will implement similar guidelines.  “I am grateful to our city staff for their ongoing efforts to combat COVID-19, and I want to thank the 75 percent of employees who have already been vaccinated,” Irvine Mayor Farrah Khan said in a statement.   “The additional measures we are implementing, based on recent data, will further protect the health and well-being of our employees and everyone in our community.”  The announcement comes days after the state …