VolitionRX Ltd is a United States-based epigenetics company that applies its Nucleosomics platform through its subsidiaries to develop simple, easy-to-use, cost-effective blood tests to help diagnose and monitor a range of life-altering diseases including some cancers and diseases associated with NETosis such as sepsis and COVID-19. The tests are based on the science of Nucleosomics, which is the practice of identifying and measuring nucleosomes in the bloodstream or other bodily fluid - an indication that disease is present. The company is focused on human diagnostics and monitoring but also has a subsidiary focused on animal diagnostics and monitoring.