Group A Streptococcal (GAS) infection in Northern Ireland monthly report. GAS are common bacteria and can be present on or in the human body, without causing infection which is known as colonisation. 

COVID-19 vaccination surveillance in Northern Ireland: Spring 2026

The HPSA report provides an overview of selected surveillance metrics in the form of a situational awareness summary. Horizon scanning provides information on emerging situations that can impact public health including local, national and global events.