Volume 8, Number 2—February 2002
Research
Lack of Evidence for Human-to-Human Transmission of Avian Influenza A (H9N2) Viruses in Hong Kong, China 19991
Timothy M. Uyeki*
, Yu-Hoi Chong†, Jacqueline M. Katz*, Wilina Lim†, Yuk-Yin Ho†, Sophia S. Wang*, Thomas H.F. Tsang*, Winnie Wan-Yee Au†, Shuk-Chi Chan†, Thomas Rowe*, Jean Hu-Primmer*, Jensa C. Bell*, William W. Thompson*, Carolyn Buxton Bridges*, Nancy J. Cox*, Kwok-Hang Mak†, and Keiji Fukuda*
, Yu-Hoi Chong†, Jacqueline M. Katz*, Wilina Lim†, Yuk-Yin Ho†, Sophia S. Wang*, Thomas H.F. Tsang*, Winnie Wan-Yee Au†, Shuk-Chi Chan†, Thomas Rowe*, Jean Hu-Primmer*, Jensa C. Bell*, William W. Thompson*, Carolyn Buxton Bridges*, Nancy J. Cox*, Kwok-Hang Mak†, and Keiji Fukuda*
Table 3
H9N2 serologic results of cohort studies involving family members and health-care workers, Hong Kong, 1999
| Patient 1 | Patient 2 | |||
|---|---|---|---|---|
| Family members | Exposed (n=3) | Unexposed (n=11) | Exposed (n=6) | Unexposed (n=1) |
| Median age (years), range | 30 (2 to 31) | 31 (<1 to 39) | 31.5 (2 to 55) | 68 |
| Male:female | 0.043055556 | 1:0.8 | 0.042361111 | 0.0416666667 |
| Seropositive | 0 | 0 | 0 | 0 |
| Health-care workers | Exposed (n=30) | Unexposed (n=75) | Exposed (n=15) | Unexposed (n=23) |
| Median age (years), range | 29.5 (19 to 51) | 28 (19 to 59) | 36 (24 to 56) | 36 (25 to 50) |
| Male:female | 0.044444444 | 1:3.4 | 0.051388889 | 0.0159722222 |
| Seropositive | 0 | 1 | 0 | 0 |
1Presented in part at the International Conference on Emerging Infectious Diseases 2000, Atlanta, Georgia, July 2000 (Poster #55), Session 7, July 16-19, 2000.
Page created: July 14, 2010
Page updated: July 14, 2010
Page reviewed: July 14, 2010
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.