We will get their report by this evening,' nodal officer of swine flu H.C. Gera told IANS.

'Seeing the circumstances, we have instructed our doctors and other para-medical staff to remain cautious. However, there is no need to panic and the situation is well under control,' he added.

According to health officials, 20 positive cases of swine flu have been detected in Chandigarh so far and of these over 25 per cent are doctors and other members of the hospitals. However, no casualty has been reported so far from this disease in the region.