They are learning to live with the disease and control it when it appears.

We've never seen a disease spread out as much as this one has in the past 18 months to two years.

The virus may be spreading despite the control measures already taken. Far more human and animal exposure to the virus will occur if strict containment does not isolate all known and unknown locations where the bird flu virus is currently present.

The virus may be spreading despite the control measures already taken.

How extensive the problem is in India is still not known.

We encouraged the countries to increase surveillance. But I'm not a policeman. What I can do is to ask governments to be more vigilant.