we have data on imueization dates among school children in all schools in san francisco and if you look at the total population of school children and specifically cichbder gartners you receive the second dose of measles before kindergarten entry, san francisco school children are immunized at the same rate as children state wide, which is about 90 percent and that is the threshold you need for heard immunity. that sh the vaccination you need to stop the spread of measles epidemic within your community. the good news is san francisco has a very low rate of personal belief exemptions so thaes are vaccine refusal. [inaudible] because of concerns that have been debunkted around autism. we have school children in the system that are called transitional entrance and these are children that don't have evidence of complete imueization at the time they enter school and they are allowed in with the understanding they will go to the medical praider and get their needed immunizations. now something that has been extremely pauseive to come out of the current measle situation is our department is wo

we have data on imueization dates among school children in all schools in san francisco and if you look at the total population of school children and specifically cichbder gartners you receive the second dose of