Karius Inc. is a US-based health tech startup focusing on advanced infectious disease diagnostics tests. Co-founded by Tim Blauwkamp, Ph.D in 2014, the company has its headquarters in Redwood City, California. Karious is famous for its Karius Test®, used in over 400 health facilities in the United States. The facilities comprise over 40 children's hospitals and over 90 transplant centers. The diagnostic test utilizes genomic analysis and artificial intelligence (AI) to identify over 1,000 pathogens from a single blood sample. The Karius Test has been incorporated into the 2023 Duke-ISCVID Criteria for Infective Endocarditis diagnostics recommendations.