Overnight Health Care: Biden backs COVID-19 vaccine patent waivers | Moderna reports positive early results for booster shots against COVID-19 variants | Federal judge vacates CDC’s eviction moratorium

Welcome to Wednesday’s Overnight Health Care. More than a year into pandemic restrictions, we thought we’d seen it all. But in D.C., while indoor weddings are allowed, it’s illegal to dance. Footloose comparisons are fair game.If you have any tips,…