“…While the pharmaceutical companies Pfizer and Moderna have announced promising updates on the vaccines they are developing, President-elect Joseph R. Biden Jr. has blamed President Trump for causing anxiety about the safety of potential immunization efforts. Anti-vaccine sentiment has been growing for decades, driven in part by a backlash against pharmaceutical companies. Fifty-eight percent of American adults said they were willing to take a coronavirus vaccine, according to a Gallup poll conducted between Oct. 19 and Nov. 1. Another poll, conducted last month by Ipsos and the World Economic Forum, found that 85 percent of Chinese adults, 79 percent of British adults and 76 percent of Canadian adults planned to be vaccinated, compared to 64 percent of Americans. The Ad Council has joined with a coalition of experts known as the Covid Collaborative, which concluded through its own survey that only one-third of Americans plan to get vaccinated…”