>>New developments also are raising more questions, including an announcement by Canadian officials Saturday documenting the first case of the H1N1 human virus jumping from a person to pigs on a farm. The infected farmworker had recently returned from Mexico and has since recovered. None of the pigs died.<<
It just a questio of time, when this will happen at Indochina, Egypt, Turkey or elswhere at H5N1 infected humans,pigs or chicken.
In such a case a reassortment of A/Mexico/H1N1 to H5N1 transmitted virus by droplets is presumably.