Long before COVID put vaccine safety under the spotlight, “The HighWire” was challenging the prevailing narrative, confronting public health officials, exposing unanswered questions, and giving a platform to voices largely shut out of mainstream media. From California’s vaccine mandate battles to landmark legal developments and whistleblower testimony, take a look back at just some of the stories that laid the groundwork for everything that followed.

Airdate: October 29, 2026