 This study found that artificial intelligence, AIK, tools such as ChatGPT could be used to provide reliable answers to questions related to vaccines. However, it also showed that the accuracy of the answers provided by the tool depends on the user's level of knowledge and experience with the topic. Additionally, the fact that the paid version of the tool provides more accurate answers than the free version raises ethical concerns due to the existing social divide in access to information. This article was authored by Giovanna Deanna, Marco Dottori, Antonella Argitu, and others.