I'm originally from Dublin but now live in Edinburgh <a href="http://gddirectltd.co.uk/index.php/planetjessiecom-0ea0.pdf">planetjessie.com</a>  So, hidden away in an un-signposted corner of the campus of the Erasmus Medical Centre in the port city of Rotterdam, a handful of top security-cleared researchers are selecting, deleting and adding genes to strains of the H7N9 virus to check what it might be capable of in a worst-case scenario.