Pune Even as swine flu has been taking its toll on the city in the last two months, two strains of the dengue virus have also been on the prowl, say city-based doctors.

So much so that dengue patients are being wrongly diagnosed for swine flu due to the similarity of the symptoms, says Dr Rajesh Gadia. Till mid-September, Dr Gadia has admitted 47 new patients to the KEM hospital.