Avian Influenza Vaccines - Will They Work?

Wendy Balclay: It's very difficult to be confident about something that hasn't happened and doesn't say, well, it's not going to. The frequency of exposures and the opportunities that the virus currently has in terms of the numbers of birds is at a very high level - so I think we are right to be on an alert system. Do we have vaccines? Are they relatively easy to make against this virus? Will they work against this Virus? Where do we stand on that? We still don't really know how those mRNAs would work in people against a completely new avian virus,. if you like.