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Volume 11, Number 2—February 2005

Lack of H5N1 Avian Influenza Transmission to Hospital Employees, Hanoi, 2004

Nguyen Thanh Liem*, Wilina Lim†, and World Health Organization International Avian Influenza Investigation TeamVietnam
Author affiliations: *National Pediatric Hospital, Hanoi, Vietnam; †Department of Health, Hong Kong, Special Administrative Region, China

Main Article

Table 3

Possible non–healthcare-related H5N1 exposures among study participants

Exposure n (%)*
Poultry outside the home in last 4 weeks 21† (25.6)
Do not know 6 (7.3)
Pigs outside the home in the last 4 weeks 10‡ (12.2)
Do not know 7 (8.5)
Visited market with sick poultry in last 4 weeks 3 (3.7)
Do not know 18 (22.2)
<1 m from sick or dead poultry since July 2003 8 (10.)
Do not know 11 (13.6)
Anyone sick in the household in the last week 11 (13.4)
Do not know 2 (2.4)

*The no. (N) of study participants for each characteristic was 80 to 82 with the percentage provided based on the actual number of respondents.
†Of which 2 persons had dying poultry outside their home.
‡Of which none had dying pigs outside their home.

Main Article

1World Health Organization (WHO) International Avian Influenza Investigation Team, Vietnam: Bach Huy Anh (Hanoi Medical University), Philippe Barboza (Institut de Veille Sanitaire, France), Niranjan Bhat (Centers for Disease Control and Prevention, USA [CDC]), Arnold Bosman (EPIET, National Institute for Public Health and the Environment, Netherlands), Sofia Boqvist (Smittskyddsinstitutet, Sweden), Rick Brown (Asian Development Bank), Pascale Brudon (WHO), Philippe Calain (WHO), Maria Cheng (WHO), Aaron Curns (CDC), Valerie Delpech (Health Protection Agency, UK), Robert Dietz (WHO), Nguyen Cong Doan (CDC), United States), Rodger Doran (WHO), Mirna Du Ry van Beest Holle (European Programme for Intervention Epidemiology Training, EPIET), Joel Francart, Keiji Fukuda (CDC), Amy Wolkin (CDC), Tom Grein (WHO), Patrice Gautier (Vetérinaires sans frontières, Vietnam), Futoshi Hasebe (Asian Development Bank), Peter Horby (WHO), Shigeyuki Itamura (National Institute for Infectious Diseases, Japan), Veronique Jestin (OIE), Donna Mak (Centre for International Health, Australia), Noel Miranda (SERVAC, Philippines), Hitoshi Oshitani (WHO), Takehiko Saito (National Institute for Infectious Diseases, Japan), Taronna Maines (CDC), Reiko Saito (Nigata University, Japan), James Mark Simmerman (CDC), Terry Tumpey (CDC), Timothy Uyeki (CDC).

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