Multiple outbreaks: Measles in CA, PA; Meningococcal in India; Swine Flu in Spain; Bird Flu in N. Ireland

Multiple outbreaks are currently being monitored worldwide. Measles continues to spread in the United States, with California reporting its largest outbreak in five years and Pennsylvania seeing a rise in cases. In India, health officials are investigating suspected cases of meningococcal disease. Meanwhile, Spain is on alert following a potential case of human-to-human transmission of swine flu. A suspected outbreak of bird flu in Northern Ireland is also under investigation, with poultry culling underway. ## Latest Update Northern Ireland is investigating a suspected bird flu outbreak at a Co Tyrone premises, with poultry culling underway and biosecurity measures implemented. This adds a new region and threat (avian influenza) to the existing signal. ## Timeline * **2026-02-11:** California reports 17 measles cases since the start of 2026, the largest outbreak since 2020, with cases in multiple counties and potential exposure at Disneyland. * **2026-02-24:** Pennsylvania's measles count rises to 11 with a new case in Montgomery County. * **2026-02-26:** A health advisory is issued in East Khasi Hills, India, following reports of suspected meningococcal disease cases. * **2026-02-27:** Spain alerts the WHO about a potential case of human-to-human transmission of swine flu (A(H1N1)v variant). * **2026-03-04:** A suspected outbreak of bird flu is reported at a premises in Co Tyrone, Northern Ireland, leading to poultry culling. ## What to Watch * Monitor for further spread of measles in California and Pennsylvania, particularly in communities with low vaccination rates. * Track the investigation into the suspected swine flu transmission in Spain and any potential international spread. * Pay attention to the investigation of the bird flu outbreak in Northern Ireland and any impact on the poultry industry.