Three major U.S. airlines—American, Delta, and Southwest—are currently not requiring COVID-19 vaccine mandates for staff, though they haven’t definitively ruled it out as a matter of future policy, according to reports and statements from spokespersons. Southwest CEO Gary Kelly wrote in an internal memo cited by CNN that he would “continue to strongly encourage” employees to get vaccinated, but that it would not be a requirement at this stage. “Obviously, I am very concerned about the latest Delta variant, and the effect on the health and safety of our employees and our operation, but nothing has changed,” Kelly wrote. A Southwest spokesperson told The Epoch Times in an emailed statement that “we still are strongly encouraging our Employees to vaccinate themselves and to share with us their vaccination status,” but beyond that “we don’t have anything else to share” on the topic. American Airlines CEO Doug Parker told the New …