Letters Asymptomatic spread of flu is not proved BMJ 2005; 331 doi: https://doi.org/10.1136/bmj.331.7525.1145 (Published 10 November 2005) Cite this as: BMJ 2005;331:1145 Article Related content Metrics Responses Peer review Related articles EDITORIALS Bird flu and pandemic flu Published: 24 October 2005; BMJ doi:10.1136/bmj.38649.389005.DE Editorial Bird flu and pandemic flu Published: 27 October 2005; BMJ 331 doi:10.1136/bmj.38649.389005.DE See more Dengue and chikungunya cases surge as climate change spreads arboviral diseases to new regions BMJ March 27, 2023, 380 p717; DOI: https://doi.org/10.1136/bmj.p717 First hepatitis D medicine is given restricted approval in Scotland after US rejection BMJ March 20, 2023, 380 p660; DOI: https://doi.org/10.1136/bmj.p660 H5N1: Has there been human-to-human transmission, and do we have a vaccine? BMJ March 02, 2023, 380 p510; DOI: https://doi.org/10.1136/bmj.p510 Covid-19: Vaccination reduces severity and duration of long covid, study finds BMJ March 01, 2023, 380 p491; DOI: https://doi.org/10.1136/bmj.p491 H5N1: Do we need to worry about the latest bird flu outbreaks? BMJ February 17, 2023, 380 p401; DOI: https://doi.org/10.1136/bmj.p401