LOS ANGELES—Beginning Thursday, Nov. 4, proof of full vaccination against COVID-19 is required for patronizing or working in an indoor bar, winery, brewery, nightclub, or lounge in the Los Angeles County. However, for non-alcoholic portions of restaurants, the regulation recommends, but does not require, vaccine verification for employees and customers. The county mandate was introduced in early October, when workers and patrons at such adult-oriented businesses were required to show proof of at least one dose of COVID vaccine. But starting Thursday, everyone has to have proof of full vaccination and present a photo ID. When the mandate was announced, the county limited the vaccination requirement to adult-oriented establishments that sell alcohol, since they are required to verify customers’ age already, and thus adding a vaccine check should not require additional staffing or be unduly difficult for the businesses, Los Angeles County Public Health Director Barbara Ferrer said. Beginning Monday, Nov. 8, an even more expansive vaccination-verification ordinance will take …