Etiona is an online diagnostic service designed to help users identify potential diseases based on their symptoms. It utilizes interactive diagrams to illustrate causal relationships, providing explanations for its conclusions and listing additional symptoms for each condition. Targeted at both healthcare professionals and patients, Etiona streamlines the diagnosis process by presenting numerous possible causes for illnesses quickly. The platform also predicts disease progression, even for cases not yet documented in existing literature, by leveraging artificial intelligence and drawing from a vast array of medical knowledge. Etiona focuses on various health areas, including communicable diseases, environmental health, non-communicable diseases (NCDs), oral health, cancer, and other chronic conditions and disabilities.