The Greek island of Chios is breathing a sigh of relief after tests on asuspected outbreak of bird flu proved negative. The European Commission said Greek authorities would lift a ban on the movement of poultry from the Chios region after a second and final set of tests found no presence of the virus.The H5N1 strain of the disease, which is potentially fatal to human has been found in birds in isolated cases Turkey and Romania. Officials in Bucharest say two new cases of bird flu have been found in an uninhabitated area in the south east of Romania. It is not yet known if it is the H5N1 type. Meanwhile Turkey has ended a quarantine of an area where an outbreak was identified three weeks ago. Fear over a pandemic among humans has caused anxiety across Europe and hit sales of poulty products in some areas.