Irish epidemiologist and UK civil servant; Chief Medical Advisor at UKHSA. Currently leading public health responses in the UK alongside Imperial College role.
As of March 27, 2026, a meningitis B outbreak linked to a 'super-spreader' event at Canterbury's Club Chemistry nightclub has resulted in at least 29 confirmed and suspected cases, including two deaths. The infection has spread to multiple universities and schools in Kent and one case in London. Authorities have launched targeted vaccination and antibiotic treatment campaigns to contain the outbreak.