FOR IMMEDIATE RELEASE Contact: Abie Rohrig, Over 2,500 Britons Have Volunteered with 1Day Sooner For COVID-19 Human Challenge Trial STAFFORDSHIRE, UK- A calling on the UK government to prepare a Challenge Study Center capable of housing 100-200 volunteers for a potential COVID-19 human challenge trial has gained the support of prominent British intellectuals including Lord Ara Darzi, Nobel Laureate Sir Richard Roberts, and Oxford Director of Medical Ethics Dominic Wilkinson.