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Ventura County health officer briefs Oxnard Council on measles risks, prevention

5781863 · September 18, 2025
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

Ventura County Health Officer Dr. Aldine Castell told the Oxnard City Council on Sept. 16 that measles is highly contagious but largely preventable with MMR vaccination; county vaccination rates remain above the 95% herd-immunity target, and public-health outreach and preparedness steps are underway.

Dr. Aldine Castell, Ventura County Health Officer, told the Oxnard City Council on Sept. 16 that measles remains a public-health concern because the virus is extremely contagious even though it is largely preventable with vaccination. "If 1 person has this virus in a room of 10 people, 9 people who are not vaccinated or protected will walk out being infected," Castell said, adding that two doses of MMR vaccine provide roughly 97% protection.

Castell said the county is watching measles closely as a possible sign that vaccination rates for other preventable diseases may be falling. "We in public health see measles like a canary in the coal mine,"…

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