They were 21-year-old woman and 31-year-old man, without a clear history of bird contact prior to the onset, nor found epidemiological association between them.
The HKU infection and Director of the Centre for Infectious Diseases, Ho Pak-leung said, past Mainland approaching Spring Festival, all occurred in sporadic cases of avian flu, while patients with no apparent contact with birds are infected, probably because of the environment they live in, someone nearby backyard poultry, patient contact disease had contaminated the environment, because the two are not working together as well as from the same family, the disease pathway still needs further investigation. http://www.rthk.org.hk/rthk/news/exp..._55_901600.htm
