Earlier this week, Amtrak—a quasi-public corporation—became the latest to rescind its vaccine requirement amid concerns about staff shortages and cut service in January. …Several hospitals and healthcare systems have similarly rescinded vaccine mandates for employees and cited labor issues that were triggered by the new requirements. In early December, Florida’s AdventHealth announced the end of its vaccine requirement for some 83,000 workers…. Earlier this week, the Los Angeles Unified School District board, for different reasons, voted overwhelmingly in favor of postponing its student vaccine requirement from January 2022 until the fall of 2022 after tens of thousands of students reportedly would not comply—meaning that they would not be able to attend in-person classes.