Of course it has been a failure. If it was a success, we wouldn't have come to this.

It has no disease control system. This virus can infect not only birds, but other animals too.

The studies published today reinforce the shortcomings of our efforts to control influenza.

We really have no idea what is going on now in southern China.

This means out of every 100 birds in wet markets, one is positive and infected with the virus. They look healthy but they can infect others and they can kill people.

We know some of their movements. But we are not experts and the climate is changing quickly, making it more difficult to assess.

For such eggs, if they are kept in cold, dry storage for half to one month, they may still be used, because that would kill the virus. Or you wash the egg.