THE bird flu that killed a parrot in British quarantine was the most deadly H5N1 form of the virus, officials confirmed last night. The parrot is believed to have caught the disease from Taiwanese birds being held in the same quarantine compound, Britain's chief vet said. On Friday, the infected bird was said to have died from the H5 virus, but tests yesterday confirmed that it was carrying the highly virulent H5N1 strain, which has killed more than 60 people in Asia. Dr Debby Reynolds said the H5N1 in the parrot was of a type not seen before, but most...