Volume 8, Number 2—February 2002
Lack of Evidence for Human-to-Human Transmission of Avian Influenza A (H9N2) Viruses in Hong Kong, China 19991
|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|
|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)|
1Presented in part at the International Conference on Emerging Infectious Diseases 2000, Atlanta, Georgia, July 2000 (Poster #55), Session 7, July 16-19, 2000.
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