Gurgaon: After reports of bird flu from Assam and West Bengal, a team of veterinary doctors has started collecting blood samples to test for the disease in migratory birds at the Sultanpur Lake and Bhindawas in Haryana. A medical team, led by Dr Kusum Lata and other veterinary doctors, and forest officials, took blood samples from five birds, two pairs of the Common Teal and one Grey Heron.