[82 Card]

It seems to me that the anti-vaxx movement has gained some considerable momentum in recent years, particularly in the far right, libertarian, and progressive circles. But it is the more progressive (often affluent) areas that seem to have the most concentrated anti-vaxx sentiment. Manhattan and rich suburbs of NYC, Seattle, Portland, Austin, Asheville (NC), and I believe the Bay Area, as well. 

Your belief about the Bay area is correct. According to this 218 SFGate article, the heaviest concentration of students claiming exemption is in Sonoma County, with only 36% of kindergartners at one charter school in Sebastapol having all required vaccinations: All 10 kindergartens with the highest rates of vaccine exemptions are in N. California. The article appears to be based on LA Times article. There's a list of worst offenders in northern CA at the end. I would view those schools as no-go zones.

[82 Card]

It seems to me that the anti-vaxx movement has gained some considerable momentum in recent years, particularly in the far right, libertarian, and progressive circles. But it is the more progressive (often affluent) areas that seem to have the most concentrated anti-vaxx sentiment. Manhattan and rich suburbs of NYC, Seattle, Portland, Austin, Asheville (NC), and I believe the Bay Area, as well. 

Your belief about the Bay area is correct. According to this 218 SFGate article, the heaviest concentration of students claiming exemption is in Sonoma County, with only 36% of kindergartners at one charter school in Sebastapol having all required vaccinations: All 10 kindergartens with the highest rates of vaccine exemptions are in N. California. The article appears to be based on LA Times article. There's a list of worst offenders in northern CA at the end. I would view those schools as no-go zones.