Asymptomatic spread of flu is not proved

BMJ 2005; 331 doi: http://dx.doi.org/10.1136/bmj.331.7525.1145 (Published 10 November 2005)
Cite this as: BMJ 2005;331:1145.1

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  1. Ronald Eccles (eccles@cardiff.ac.uk), director
  1. Common Cold Centre, Cardiff University, Cardiff CF10 3US

    EDITOR—Macfarlane and Lim state that infection control of pandemic flu would be challenging because “unlike SARS, flu is highly infectious before patients develop definite symptoms.”1

    What is the evidence for …

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