CDC drops mask mandate for those vaccinated, where does that leave guidelines on state, local levels "We donât know when thatâs going to happen" Posted: 3:51 PM, May 13, 2021 Updated: 2021-05-14 12:19:58-04 The announcement from the CDC Thursday is leading many to ask how this will affect guidelines on a state and local level. Especially since Kern County is still in the stateâs orange tier. KERN COUNTY, Calif. â People who are fully vaccinated can now go maskless. That's the latest from the CDC Thursday. 23ABC is taking a closer look at the new rules and how they could impact your everyday life.