Los Angeles County health officials have reiterated they will fully align with the state's newly announced guidelines for mask-wearing when the bulk of COVID-19 restrictions are lifted next week.
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San Francisco is nearing herd immunity, some experts believe, a milestone in California’s efforts to gain control of the COVID-19 pandemic.
San Francisco has one of California’s highest rates of vaccination, with 72% of residents having received at least one dose. Only one other county in California Marin, just north of San Francisco has a higher rate of vaccination, with 75% of residents there at least partially vaccinated. Both San Francisco and Marin County’s rates are significantly higher than the statewide vaccination rate of 56%.
Herd immunity, also known as community immunity, is a a form of indirectly protecting people without immunity to a disease from an infection. It occurs when a significant percentage of the overall population is immune either through vaccines or from surviving a previous infection.
Los Angeles County's director of public health wonders whether she could have better protected people living in the county's poorest neighborhoods, which bore the brunt of the pandemic.