(Bloomberg) — A merger of drugmakers AstraZeneca Plc and Gilead Sciences Inc. is unlikely, according to analysts, after Bloomberg News reported that the U.K. company made a preliminary approach to its U.S. peer last month.Political opposition from both Britain and America could derail any attempt at a deal, especially given the backdrop of the Covid-19 outbreak, Citi said. The timing is also questionable, as while Gilead is in the middle of a turnaround, AstraZeneca is well positioned and has a strong pipeline, analysts said.Yet there is potential for synergies, and Gilead could compliment AstraZeneca’s portfolio in the areas of virology […]