New government-funded clinical trial looking at different COVID-19 ‘booster’ vaccines launches in the UK. Initial results trialling seven vaccines expected in September to inform plans for booster programme Clinical trials on agenda for G7 Health Ministers’ Meeting in early June which Health Secretary announces will be hosted in Oxford Announcements come ahead of International Clinical Trials Day (Thursday 20 May 2021) Thousands of volunteers will receive a booster COVID-19 vaccine in a new clinical trial launched yesterday, Health Secretary Matt Hancock has announced. The Cov-Boost study, led by University Hospital Southampton NHS Foundation Trust and backed by £19.3 million of government funding through the Vaccines Taskforce, will trial seven vaccines and will be the first in the world to provide vital data on the impact of a third dose on patients’ immune responses.