If there's evidence of human-to-human transmission, there will be small clusters. We are not at that stage.

We expect there will be more poultry outbreaks,

As long as there are poultry outbreaks, people will be exposed to the virus and we can expect that people might get infected.

China's HIV infections have been linked to high-risk behavior. But now, sex work is moving it toward the general population.

It is very difficult to monitor the poultry in the backyards,

So far it is primarily an animal disease. The more it is contained to animals, the better.