Letters Person to person H7N9 transmission

Controlling novel avian influenza A (H7N9) at animal sources

BMJ 2013; 347 doi: https://doi.org/10.1136/bmj.f5565 (Published 18 September 2013) Cite this as: BMJ 2013;347:f5565
  1. Chi Chiu Leung, consultant chest physician1,
  2. David S C Hui, Stanley Ho professor of respiratory medicine2,
  3. Paul K S Chan, chairman3
  1. 1Tuberculosis and Chest Service, Department of Health, Hong Kong, China
  2. 2Department of Medicine and Therapeutics, Chinese University of Hong Kong, Hong Kong, China
  3. 3Department of Microbiology, Chinese University of Hong Kong, Hong Kong, China
  1. cc_leung{at}dh.gov.hk

Qi and colleagues reported the first probable case of human to human transmission of the novel avian influenza A (H7N9) virus.1 However, symptom guided laboratory investigations of contacts suggest that H7N9 has yet to acquire the ability to maintain sustained human to human transmission, even though …

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