Prevention is going to be cheaper and more effective than waiting for the pandemic to occur.

It's not prevention, but a restriction.

A lot of that money is now being spent in countries, in Indonesia, in Vietnam, in Cambodia, in countries in central and eastern Europe such as Turkey, Nigeria, and also Central Asia.

The pace of fatalities appears to have fallen off quickly. But it is as yet unclear whether this is because the virus has modified or Turkey's approach has been successful.

We must still maintain utmost vigilance for and preparations for the next human influenza pandemic.

H5N1 is causing a massive epidemic of lethal avian influenza.