A new survey published in the Scientific Reports journal revealed that more than half of unvaccinated Americans say that nothing will change their mind about getting the COVID-19 shot. Researchers with the Barcelona Institute for Global Health, the City University of New York, and Emerson College Polling surveyed about 6,000 American adults in April 2021 before releasing their findings on Thursday. Of all the adults who were surveyed in the spring of this year, about “20 percent were unwilling to vaccinate, expressing concerns about vaccine efficacy and safety and questioning the disease’s severity,” the researchers wrote. Even though the study was carried out several months ago, White House COVID-19 coordinator Jeff Zients said during a briefing earlier this week that about 70 percent of all Americans are fully vaccinated and about 80 percent have received at least one shot, suggesting that Thursday’s study still appears to align with the current vaccination rates. …