There is a likelihood that they were exposed to infected poultry but there were no obvious signs of large poultry die-offs to indicate that poultry in those areas had been infected.  -   Aphaluck Bhatiasevi     Quotes
There is a likelihood that they were exposed to infected poultry but there were no obvious signs of large poultry die-offs to indicate that poultry in those areas had been infected. Aphaluck Bhatiasevi