Milk and drinking water samples in the region are also being tested for presence of the particuNickle and lead found in the blood samples of some patients who sickened by mysterious disease in Eluru in Andhra Pradesh. This disease has claimed 1 person and 500 people sick. MIlk and water samples were also tested for the particulate matter. The preliminary finding expert teams from the All India Institute of Medical Science(AIIMS) and other state central institution, submitted to the chief minister, Y S Jagan Mohan Reddy.