If there is delay in getting culling teams out, delay in any part of the chain, even weeks, that could have great implications for the virus to spread.

There are some quite tricky challenges facing everybody working in Crimea and I shall be engaging with various government people.

What is important to me is there has been consensus and clarity, (and) much better coordination. We'll be much quicker to control avian influenza as a result.

We are watching very closely to see how the disease associated with bird flu, when it hits humans, is evolving.

The flu-casters would draw out the maps and keep people engaged at regular intervals ... beaming it from the WHO bunker.

If there is delay in getting culling teams out, delay in any part of the chain, even weeks, that could have great implications for the virus to spread.

There is a chance that we could have at least as many dying from communicable diseases as we've had dying from the tsunami.