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Volume 11, Number 2—February 2005


Human Disease from Influenza A (H5N1), Thailand, 2004

Tawee Chotpitayasunondh*, Kumnuan Ungchusak†, Wanna Hanshaoworakul†, Supamit Chunsuthiwat†, Pathom Sawanpanyalert†, Rungruen Kijphati†, Sorasak Lochindarat*, Panida Srisan*, Pongsan Suwan†, Yutthasak Osotthanakorn†, Tanakorn Anantasetagoon†, Supornchai Kanjanawasri†, Sureeporn Tanupattarachai†, Jiranun Weerakul†, Ruangsri Chaiwirattana†, Monthira Maneerattanaporn†, Rapol Poolsavatkitikool†, Kulkunya Chokephaibulkit‡, Anucha Apisarnthanarak§, and Scott F. Dowell¶Comments to Author 
Author affiliations: *Queen Sirikit National Institute of Child Health, Bangkok, Thailand; †Ministry of Public Health, Nonthaburi, Thailand; ‡Siriraj Hospital, Bangkok, Thailand; §Thammasat University Hospital, Bangkok, Thailand; ¶International Emerging Infections Program, Nonthaburi, Thailand

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Table 3

Brief history of exposure of the 12 confirmed case-patients

Patient no. Province/sex/age (y) Exposure history
1 Supanburi/M/2 Raised chickens in backyard. Chickens died unexpectedly 5 days before illness onset. Frequently played with chickens and had direct contact with carcasses.
2 Uttradit/F/27 Raised chickens in backyard, but chickens did not die. Two months before onset, ducks in a nearby area died unexpectedly.
3 Nakornratchasima/M/31 Raised chickens in backyard. Three days before onset, chickens started to die. The last patient died on the date he became sick. He buried all carcasses.
4 Lopburi/F/46 Raised 60 chickens in back yard. All chickens died unexpectedly 1 month before onset. She burned and buried carcasses without protection.
5 Khonkaen/M/5 Raised fighting cocks that died 4 days before onset. Reported direct contact with carcasses. Ate chicken with suspected H5N1 influenza.
6 Kanchanaburi/M/6 No poultry in family. Helped slaughter one ill chicken 2 days before onset.
7 Sukhothai/M/6 Mother slaughtered 2 ill chickens in house 4 days before onset. No direct contact with chickens. Mother got sick on same day and died without laboratory confirmation.
8 Kanchanaburi/M/6 Chickens in backyard died unexpectedly. Grandfather slaughtered ill chickens. No direct contact with chickens but played near slaughtering area.
9 Supanburi/M/7 No poultry in family. Frequently played on ground near a chicken farm that reported unexpected poultry deaths.
10 Chaiyapoum/M/13 Helped raise chickens in backyard. Eight days before onset, chickens died unexpectedly and patient assisted with slaughtering.
11 Patumthani/F/39 Factory worker living in province A during weekdays but in province B on weekends. Fighting cocks lived at a neighboring house. Province B reported outbreaks 2 months before onset. No contact with live or dead chickens.
12 Supanburi/F/58 Raised 40–50 chickens in backyard. Chickens started to die 5 days before onset. Buried and slaughtered ill chickens every day until onset date.

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