The UK Health Security Agency is sufficiently concerned about the growing number of measles cases in the West Midlands that it declared a ‘national incident’ last week. According to official figures, there have been 216 confirmed and 103 probable measles cases in the region since last October. The cause? The uptake of the MMR vaccine is at its lowest level in more than a decade, according to Dame Jenny Harries, CEO of the UKHSA.