'We should not isolate the swine flu affected patients. Rather we must build confidence and advise them not to panic.'

Meanwhile, the number of confirmed swine flu cases in the state rose to 18 Thursday.

Banerjee said health was a state government subject and it should also think to improve the existing manpower in all its hospitals.

'I think every healthcare unit should open an emergency ward in their respective premises for the treatment of swine flu-affected patients. I appeal to all medical practitioners of the state to come forward during this crisis time when these diseases (swine flu, dengue and malaria) are taking an endemic form.