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Volume 11, Number 11—November 2005
Letter

Family Clustering of Avian Influenza A (H5N1)

Sonja J. Olsen*Comments to Author , Kumnuan Ungchusak†, Ly Sovann‡, Timothy M. Uyeki§, Scott F. Dowell*, Nancy J. Cox§, William Aldis¶, and Supamit Chunsuttiwat†
Author affiliations: *International Emerging Infections Program, Nonthaburi, Thailand; †Ministry of Public Health, Nonthaburi, Thailand; ‡Ministry of Health, Phnom Penh, Cambodia; §Centers for Disease Control and Prevention, Atlanta, Georgia, USA; ¶World Health Organization, Nonthaburi, Thailand

Main Article

Table

Family clusters of influenza A (H5N1) in Southeast Asia, January 2004–July 2005*

Cluster Onset of index case Country Age (y)/Sex Relation to index case H5N1 Onset Outcome
1 Dec 03 Vietnam (N) 12/F Self + Dec 25 D
30/F Mother + Jan 1 D
2 Dec 03 Vietnam (N) 5/M Self + Dec 29† D
7/F Sister NT NN D
3 Jan 04 Vietnam (N) 31/M Self NT Jan 7† D
30/F Sister + Jan 10 D
28/F Wife + Jan 10 R
23/F Sister + Jan 11 D
4 Jan 04 Thailand 6/M Self + Jan 8 D
33/F Mother NT Jan 8 D
5 Jul 04 Vietnam (S) 19/M Self NT Jul 23 D
22/F Cousin NT NN D
25/F Sister + Jul 31 D
6 Sep 04 Thailand 11/F Self NT Sep 2 D
26/F Mother + Sep 11 D
32/F Aunt + Sep 16 R
7 Dec 04 Vietnam (N) 46/M Self + Dec 26 D
42/M Brother + Jan 10† R
36/M Brother + Not ill Not ill
8 Jan 05 Vietnam (S) 17/M Self + Jan 10† D
22/F Sister NN NN Unknown‡
9 Jan 05 Vietnam (S) 35/F Self + Jan 14 D
13/F Daughter + Jan 20 D
10 Jan 05 Cambodia 14/M Self NT NN D
25/F Sister + Jan 21 D
11 Feb 05 Vietnam (N) 21/M Self + Feb 14 Unknown‡
14/F Sister + Feb 23 Unknown‡
80/M Grandfather + Not ill Not ill
12 Feb 05 Vietnam (N) 69/M Self + Feb 19 D
61/F Wife + Not ill Not ill
13 Mar 05 Vietnam 13/F Self NT Mar 9§ D
5/M Brother + Mar 12† R
Adult/F Aunt P NN Unknown‡
14 Mar 05 Vietnam (N) 39/M Self + Mar 22† Unknown‡
Adult/F Wife + Mar 22† Unknown‡
4 mo/NN Child + Mar 22† Unknown‡
3/NN Child + Mar 22† Unknown‡
10/NN Child + Mar 22† Unknown‡
15 Jul 05 Indonesia 8/F Self Jun 24 D
1/F Sister NT Jun 29 D
38/M Father + Jul 2 D

*D, respiratory death; N, north; NT, not tested; NN, not noted; P, pending; R, recovered; S, south.
†Date of hospitalization.
‡Had respiratory symptoms, was hospitalized (unknown for #13), and outcome was unknown.
§Date of death.
¶Serologically confirmed; classified as a probable case by the World Health Organization.

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Page created: February 17, 2012
Page updated: February 17, 2012
Page reviewed: February 17, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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