At least 1,000 out of a 4,140 blood samples have tested dengue positive in Orissa, rining alarm bells in the government. At present 115 dengue patients are undergoing treatment at SCB Medical College, Cuttack. Concerned over the alarming situation, state health and family welfare minister Atanu Sabyasachi Nayak held a high level meeting at the secretariat here to review the government preparedness to contain spread of the disease. After the review meeting, the minister told media persons that two persons had died in the disease. The minister informed that a majority of the dengue patients from Jajpur district were from Kalinga Nagar industrial area. The government has asked the local industries to take preventive steps. In another development, reports from Kalahandi district said laboratory test of rectal swabs collected from patients in Narla block of Kalahandi district have confirmed the presence of deadly ‘vibrio cholerae’ bactaria in them. Three persons have succumbed to cholera so far. The district administration had sent rectal swabs of some patients to Bhubaneswar for laboratory tests after condition of around 120 persons afflicted with gastro enteritis turned serious between August 20 and September 5. The suspicion that the deadly water borne bacteria has infected water sources in the Narla block and its adjoining areas has led to panic among the local people, said sources.