Letters A/H1N1 pandemic Case definition is too loose BMJ 2009; 339 doi: https://doi.org/10.1136/bmj.b3365 (Published 18 August 2009) Cite this as: BMJ 2009;339:b3365 Article Related content Metrics Responses Peer review Related articles Editor's Choice H1N1: now entering the recrimination phase Published: 14 January 2010; BMJ 340 doi:10.1136/bmj.c225 Editorial How well are we managing the influenza A/H1N1 pandemic in the UK? Published: 15 July 2009; BMJ 339 doi:10.1136/bmj.b2897 See more Antibiotic costs rise 1100% as big pharma exits Nigeria BMJ March 01, 2024, 384 q328; DOI: https://doi.org/10.1136/bmj.q328 Measles: 500 cases are confirmed in England as clusters appear around the country BMJ February 15, 2024, 384 q417; DOI: https://doi.org/10.1136/bmj.q417 Alaskapox: First human death from zoonotic virus is announced BMJ February 15, 2024, 384 q415; DOI: https://doi.org/10.1136/bmj.q415 Diphtheria: WHO publishes first ever guidance following outbreaks BMJ February 14, 2024, 384 q407; DOI: https://doi.org/10.1136/bmj.q407 Measles: Man dies in Ireland, while cases in West Midlands remain “disproportionately high” BMJ February 09, 2024, 384 q359; DOI: https://doi.org/10.1136/bmj.q359 Cited by... Are the UK clinical guidelines for H1N1 influenza infection valid in the hospital setting?Abstract Fulltext PDF