New Delhi:14 Jan 21 No Avian Influenza, or bird flu, has been detected in the poultry samples sent from Delhi, including the Ghazipur chicken market, Delhi Animal Husbandry Unit has confirmed.”Test results of 104 samples arrived on Wednesday evening. Of these, 100 samples were collected from 35 poultry birds in the Ghazipur market. All samples have tested negative for bird flu,” senior Animal Husbandry Unit officer Rakesh Singh said.”It means there is no spread of avian influenza in poultry birds in Delhi,” he said.However, bird flu was suspected in the remaining four samples of Heron birds taken from a park. They have been sent to Bhopal for confirmation, the official said.