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As we anxiously await an end to the pandemic, public-health officials continue to battle another dangerous threat: misinformation.

Simply put, "some people are following their political leaders rather than scientists," said Mo Jones-Jang, assistant professor in the Department of Communication at BC. That wouldn鈥檛 be a problem if political leaders and scientists agreed鈥攂ut too often during the pandemic, they have not. From mask-wearing to restrictions on gatherings, Americans鈥� perception of鈥攁nd compliance with鈥� COVID-19 mitigation measures has largely been divided along party lines. Now, that division could derail the vaccination efforts that scientists say are needed to put the pandemic behind us. In a , just 56 percent of Republicans said they would definitely or probably get a vaccine, or that they already had received at least one dose, as compared to 83 percent of Democrats.

Why do so many Americans trust politicians more than actual scientists? Jones-Jang鈥檚 research aims to answer that question. This "politicization of science," as Jones-Jang calls the phenomenon, is hardly limited to fallout from the pandemic. He has diagnosed it in everything from the perceived harmfulness of e-cigarettes to the climate change debate.

Jones-Jang has conducted experiments that reveal the politicization process in real time. For published in Health Communication, he created several versions of a fictional news article, some citing scientists who confirmed or denied the claim that vaccines cause autism, others citing former president Donald Trump making those same claims. He randomly assigned different versions of the article to study subjects, and then asked them what they thought about the supposed link. Republican participants were more likely to be swayed by Trump鈥檚 opinion, regardless of what position was ascribed to Trump in the article. Democrats and Independents, meanwhile, were more likely to be influenced by scientific opinions. "This research has become highly relevant during the COVID-19 pandemic," Jones-Jang said. "If some people refuse vaccination due to their political orientation, that poses a significant threat to vaccine programs. To reach herd immunity, collective efforts are necessary."

Jones-Jang hopes this work will highlight the need for more direct lines of communication between scientists and the public鈥攕uch as social media campaigns and press conferences鈥� to remove the partisan filter whenever possible. And while it鈥檚 unlikely that politicians will stay mum about hot-button issues, Jones-Jang wants them to understand that injecting personal opinions that contradict the scientific consensus can have dire consequences. "Many people do not have ability or motivation to evaluate the scientific evidence themselves, so they tend to follow whatever cues are available," he said. "Politicians should be really careful when they speak about important health or science issues."聽鈼�