Talos, an open-source genomic reanalysis tool, produced 241 diagnoses when tested on 4,735 unsolved rare disease patient genomes, with more than half of findings attributed to new gene- or variant-disease associations discovered after initial sequencing. Researchers reported that automated reanalysis helped scale case resolution compared with manual, patient-by-patient workflows. The study emphasizes that genomic reanalysis typically happens only when families and clinicians initiate follow-up, limiting throughput for the broader population awaiting answers. Talos was developed by Australia’s Centre for Population Genomics with collaborators including Australian Genomics, the Broad Institute, and Microsoft Research. Because Talos is open source, institutions can adjust sensitivity and specificity parameters to manage specificity requirements for clinical use. The team said there are no plans to commercialize the tool, but labs will still need to manually review positive reports.