All California residents 16 years old and above now eligible to receive COVID-19 vaccine The state's goal is to vaccinate 75% of people 16 and older to achieve so-called herd immunity -- equating to around 2.02 million San Diego County residents. Author: CBS News 8 Team Published: 11:58 AM PDT April 14, 2021 Updated: 11:39 AM PDT April 15, 2021 SAN DIEGO — Millions more Californians are now able to get the COVID-19 vaccine as eligibility opened up to everyone 16 and over, regardless of health condition or occupation on Thursday. San Diego County leaders are calling the opening eligibility a "milestone" in the fight against coronavirus, as San Diego now strives to attain herd immunity by immunizing at least 75 percent of the eligible population, which is just over 2 million San Diegans.