Transmission electron micrograph of parts of the norovirus pathogen
BSIP SA/Alamy
A global international trial of an mRNA vaccine against norovirus is getting underway with the aim of reducing the health burden caused by the infamous โwinter vomitingโ bug. The trial has been complicated by the emergence of a new norovirus strain that is causing soaring numbers of cases in parts of the world, including England.
โUnfortunately, one of the strains which is most prevalent isnโt in that jab,โ says Patrick Moore at the UKโs National Institute for Health and Care Research, who is leading the UK branch of the trial. โThe high cases are probablyโฆ