Founded in 1989 and based in London, hVIVO, formerly known as Retroscreen Virology, is a leading life sciences company in the field of human challenge models. The company specializes in conducting clinical studies using healthy volunteers to advance drug development and understand diseases in a controlled clinical environment. hVIVO offers services that contribute to the development of new drugs and vaccines, particularly for respiratory diseases, and is expanding its research to include conditions like asthma and COPD.