The Covid-19 pandemic may still be fresh in all our memories, but scientists are already looking ahead to the next big pandemic to allow us to prepare and get ahead of it.

A flu virus seems to be the most likely cause and in particular there is concern around the H5N1 strand which has now jumped from birds to cattle, and even a few dairy farmers. Human to human transmission is the next big warning sign which is being closely monitored.

Luke explains what we learned during the last pandemic to prevent the spread of another virus and another global lockdown.