One of the issues faced in determining the background for any incident is determining the potential contribution of a drug or the contribution of the underlying illness.

Given where we are, with the potential for a pandemic, the clearest vision we can have is to dramatically increase the availability of this drug and make all information available.

It presents a difficult target for clinical investigation.

As a result of a period of intense production planning, we are pleased to announce the partnership with Hetero Drugs as the latest step in our scale-up efforts to meet the needs of governments in preparing for the potential public health threat posed by avian influenza.

We are pleased to announce the partnership with Hetero Drugs as the latest step in our scale-up efforts to meet the needs of governments in preparing for the potential public health threat posed by avian influenza.

Companies we identified to take the capacity further will therefore allow Roche's supply network to respond to future demands from world governments.