As the pandemic winds down, anti-vaccine activists are building a legal network

Steve Kirsch, a tech entrepreneur turned anti-vaccine activist, at a conference in Atlanta for future COVID and vaccine-related litigation that he helped organize and fund. (Lisa Hagen/NPR)

Steve Kirsch is a tech entrepreneur who made hundreds of millions of dollars after founding an early search engine and helping invent the optical computer mouse.

Recently, he stood before a gathering of more than 250 lawyers in Atlanta while wearing a custom black T-shirt designed like a dictionary entry for the phrase "misinformation superspreader."