A federal appeals court on Wednesday reversed a nationwide ban on President Joe Biden’s COVID-19 vaccine mandate for some 17 million health care workers. The 5th U.S. Circuit Court of Appeals said the rule will remain blocked in 14 states that brought a lawsuit against it in federal court in Louisiana, but that it will be allowed to take effect in the rest of the United States. Two federal judges last month blocked the mandate. The first ruling applied to just 10 states; the second expanded the preliminary injunction across the nation. But the appeals court said it found no justification for a nationwide block in the opinion issued by U.S. District Judge Terry Doughty, a Trump nominee, on Nov. 30. Judges said they sometimes let nationwide injunctions remain in place, depending on certain circumstances. “The district court here gave little justification for issuing an injunction outside the 14 States that brought …