By Lindsay Rogers On Monday, per an internal memo obtained by Fox Business News, the more than 2,200 United Airlines employees who received religious or medical exemptions from having to take the COVID-19 vaccine, and have been out on unpaid leave (with the exception of five who reportedly died) were welcomed back to work. “As the Omicron surge shows clear signs of receding and as we’ve seen how high the protection remains for those of you who are vaccinated, we’re using that same commitment to safety and science to ensure our policies reflect the broader shift to the endemic stage of the pand…