hVIVO plc is a United Kingdom-based specialist contract research organization (CRO). The Company is engaged in testing infectious and respiratory disease vaccines and therapeutics using human challenge clinical trials. It provides end-to-end early clinical development services to its client base, which includes global biopharma companies. It offers a portfolio of approximately 10+ human challenge models to test a range of infectious and respiratory disease products, challenge agent manufacturing, specialist drug development, and clinical consultancy services via its Venn Life Sciences brand, and a lab offering via its hLAB brand, which includes virology, immunology biomarker and molecular testing. It offers additional clinical field trial services, such as patient recruitment and clinical trial site services. It runs challenge studies in from its Whitechapel quarantine clinic, and its QMB clinic with its specialized on-site virology and immunology laboratory.