The Pan American Health Organization (PAHO) has released six new guides to help health workers and other professionals identify and respond to vaccine misinformation — a growing threat that continues to undermine confidence in immunization and jeopardize public health across Latin America and the Caribbean.
The guides offer practical tools for a range of audiences, including health workers, immunization program managers, journalists, educators, communicators, and content creators. Each resource is designed to strengthen the ability to recognize and counter misleading narratives about vaccines.
“Studies have shown that exposure to vaccine misinformation, even for a short period of time, can negatively influence people’s perceptions and their decision to get vaccinated,” said Daniel Salas, Executive Manager of PAHO’s Special Program for Comprehensive Immunization. “Even individuals who have been vaccinated in the past can be negatively influenced by misinformation.”
The materials highlight common tactics used to spread false information — such as misusing data, appealing to strong emotions, promoting conspiracy theories, discrediting experts, or selectively presenting facts to distort the truth. They also advise readers on how to spot red flags in misleading content, including sensationalist headlines, poor grammar, and the overuse of capital letters or exclamation marks.
Given that health workers remain the most trusted source of vaccine information, PAHO’s guides emphasize empathy and transparency when addressing patients’ doubts or fears. Tailored guidance for journalists provides recommendations on delivering balanced, evidence-based coverage without amplifying anti-science messages. Educators are encouraged to integrate classroom activities that enhance students’ media, digital, and health literacy, helping them critically evaluate the information they see online.
Salas noted that fighting misinformation must be part of broader strategies to boost vaccine confidence and coverage. “Human behavior is complex, and while addressing misinformation is essential, it’s not a silver bullet,” he said. “In areas with low coverage, we encourage countries to apply tools such as microplanning and the guidance on social and behavioral drivers of vaccination to better understand community perceptions and barriers.”
Through these new guides, PAHO aims to strengthen national immunization programs, enhance vaccine confidence, and uphold the Region of the Americas’ long-standing leadership in vaccination — one of its greatest public health achievements.
