Apriori Bio is a health security company founded in 2020 by Flagship Pioneering to provide protection against rapidly evolving viruses. The company's core technology is Octavia, a biology-informed artificial intelligence platform that can infer the full landscape of potential variants for a given virus. Octavia generates maps of existing and potential viral variants based on their ability to bind human cells and evade antibodies. Using these maps, Apriori aims to define the antibody repertoire that would best protect against current and future viral threats, enabling the development of variant-proof vaccines and antibody drugs.
The Octavia platform integrates experimental biological data and artificial intelligence to model viral evolution. It creates millions of synthetic variants from anchor sequences and measures how they interact with antibodies. Using machine learning, Octavia then models variant behavior and identifies those posing the greatest potential threat. This allows Apriori to design vaccines and antibodies that can provide protection against both current and future variants.
Apriori is initially focusing on viruses of concern to the World Health Organization, starting with SARS-CoV-2, influenza, and HIV. The company is developing vaccines and antibody drugs in-house while also exploring partnerships with governments and other companies. In July 2024, Apriori received a USD 1.1 million investment from CEPI to further advance the Octavia platform beyond coronavirus applications.
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