Detecting Microbes
That Impact Human Health.
By leveraging the power of clinical metagenomics, our vision is to create a world where every patient gets a clear and timely diagnosis.
Explore Our Solution
Karius is transforming infectious disease diagnostics with metagenomic sequencing tests that give providers rapid and comprehensive detection of pathogens behind life-threatening infections when conventional testing falls short.
Karius SpectrumTM
Karius SpectrumTM is a blood test leveraging plasma metagenomic sequencing of microbial cell-free DNA to detect over 1,000 fungi, bacteria, DNA viruses, and parasites associated with deep-seated and difficult-to-diagnose systemic infections.
Karius FocusTM | BAL
Karius Focus™ | BAL is a bronchoalveolar lavage fluid-based mcfDNA metagenomic sequencing test that is designed for detection and classification of over 500 pathogens associated with lung infection.
Latest News & Updates
Pulmonary Precision: Karius Launches Metagenomic Test for Lung Infections
Karius, a leader in metagenomic sequencing for infectious disease diagnostics, unveiled its latest breakthrough: the “Karius Focus | BAL” microbial cell-free DNA (cfDNA) test. This diagnostic tool uses bronchoalveolar lavage (BAL) samples to support clinical identification of pathogens causing pneumonia and other lung infections, particularly in immunocompromised patients.
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The Top 25 Biotech and Life Sciences Companies of 2025
This year’s awardees are making important contributions to therapeutic development, diagnostics, and biomedical research. As the biotech and life sciences industry rapidly advances, the companies here are harnessing regenerative medicine, RNA and cell-based therapies, AI-driven discovery, and precision diagnostics to develop more effective treatments and accelerate clinical progress.
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Karius is a 2025 Top Workplace
Top Workplaces Regional Awards by the San Francisco Chronicle for the past two years and running.
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