@article{:/content/10.2807/ese.14.22.19232-en, author = "Health Protection Agency, Health Protection Scotland, National Public Health Service for Wales, HPA Northern Ireland Swine influenza investigation teams, Collective", title = "Epidemiology of new influenza A (H1N1) virus infection, United Kingdom, April – June 2009", journal = "Eurosurveillance", year = "2009", volume = "14", number = "22", eid = 19232, pages = "", url = "https://www.eurosurveillance.org/content/10.2807/ese.14.22.19232-en", doi = "https://doi.org/10.2807/ese.14.22.19232-en" }