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BMJ 2005; 330 doi: https://doi.org/10.1136/bmj.330.7492.616 (Published 17 March 2005) Cite this as: BMJ 2005;330:616

Asymptomatic infections of H5N1 avian flu discovered: Two elderly relatives of people in Vietnam who died of bird influenza have tested positive for the disease, despite having no symptoms. Samples from another seven cases that originally tested negative in Vietnam in January were retested in Tokyo and found to carry the virus, according to the World Health Organization. All seven …

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