ALEXANDRA ALPER and DEENA BEASLEY U.S. President Donald Trump said Americans were learning to live with COVID-19, a day after returning from hospital to the White House where he will receive intensive treatment for coronavirus unavailable to most people. Trump, who spent three days at Walter Reed Medical Center outside Washington, was due to receive a fifth transfusion of the antiviral drug Remdesivir while being treated with the steroid dexamethasone, normally used in the most severe cases. The Republican president, running against Democrat Joe Biden in November's election, has repeatedly played down the disease, which has now killed more than…