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Volume 19, Number 10—October 2013
Dispatch

Subclinical Avian Influenza A(H5N1) Virus Infection in Human, Vietnam

Mai Quynh LeComments to Author , Peter Horby, Annette Fox, Hien Tran Nguyen, Hang Khanh Le Nguyen, Phuong Mai Vu Hoang, Khanh Cong Nguyen, Menno D. de Jong, Rienk E. Jeeninga, H. Rogier van Doorn, Jeremy Farrar, and Heiman F.L. Wertheim
Author affiliations: National Institute of Hygiene and Epidemiology, Hanoi, Vietnam (M.Q.Le, H.T. Nguyen, H.K.L. Nguyen, P.M.V. Hoang, K.C. Nguyen); Wellcome Trust Major Overseas Programme, Hanoi and Ho Chi Minh City, Vietnam (P. Horby, A. Fox, M.D. de Jong, H.R. van Doorn, J. Farrar, H.F.L. Wertheim); Centre for Tropical Medicine, Oxford, United Kingdom (P. Horby, A. Fox, H.R. van Doorn, J. Farrar, H.F.L. Wertheim); Academic Medical Center, Amsterdam, the Netherlands (M.D. de Jong, R.E. Jeeninga)

Main Article

Table 1

HHI and MN assay titers for serum samples from woman with subclinical influenza A(H5N1) virus infection, Vietnam, 2011

Clade and sample
 HHI
 MN
Clade 1
First sample, day 5 <20 ND
Second sample, day 11 40 <10
Third sample, day 41
 40
 <10
Clade 2.3.2.1
First sample, day 5 <20 ND
Second sample, day 11 80 80
Third sample, day 41
 160
 160
Clade 2.3.4
First sample, day 5 <20 ND
Second sample, day 11 80 40
Third sample, day 41 160 40

*Sample days are days since disease onset in index case-patient. HHI, horse hemagglutination inhibition; MN microneutralization; ND, not done.

Main Article

Page created: September 16, 2013
Page updated: September 16, 2013
Page reviewed: September 16, 2013
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