Volume 15, Number 1—January 2009
Research
Human Infection with Highly Pathogenic Avian Influenza Virus (H5N1) in Northern Vietnam, 2004–2005
Nguyen Duc Hien, Nguyen Hong Ha, Nguyen Tuong Van, Nguyen Thi Minh Ha, Trinh Thi Minh Lien, Nguyen Quoc Thai, Van Dinh Trang, Takuro Shimbo
, Yoshimitsu Takahashi, Yasuyuki Kato, Akihiko Kawana, Samu Akita, and Koichiro Kudo
, Yoshimitsu Takahashi, Yasuyuki Kato, Akihiko Kawana, Samu Akita, and Koichiro KudoTable 1
Characteristics of 29 patients infected with highly pathogenic avian influenza virus (H5N1), northern Vietnam, 2004–2005*
| Characteristic | Value |
|---|---|
| Age, y, mean ± SD | 35.1 ± 14.4 |
| M:F sex (%) | 15:14 (52:48) |
| High-risk exposure, no. (%)† | |
| Poultry | 19 (65.5) |
| Sick poultry | 12 (41.4) |
| Family infected with H5N1 virus subtype | 6 (20.7) |
| Sick poultry or person | 15 (51.7) |
| Hospitalization after disease onset, median, d (IQR) | 6 (4–8) |
| Hospital stay, median, d (IQR) | 14 (9–17) |
| Treated with oseltamivir, no. (%) | 25 (86.2) |
| Began treatment with oseltamivir after disease onset, median, d (IQR) | 7 (5–10) |
| Treated with methylprednisolone, no. (%) | 15 (51.7) |
| Died, no. (%) | 7(24.1) |
*IQR, interquartile range.
†Poultry, a history of exposure to sick or healthy poultry; sick poultry or person, a history of exposure to sick poultry or a family infected with avian influenza (H5N1).
