Launch of new human vaccine trial: mRNA vaccine candidate against H5N1 bird flu (opens in new tab)

A new vaccine trial is starting in the UK investigating an mRNA vaccine candidate against A(H5N1) bird flu, in humans. This is a phase 3 trial and will involve around 4,000 adult volunteers aged 18 and over, 75% of whom will be recruited and vaccinated at UK sites (the rest being in the US).