New Delhi: Vidya Balan is down with dengue. The actress, who has just returned from the US schedule of 'Kahaani 2', was diagnosed with the illness. Confirming the news, a source close to her revealed, "Vidya is suffering from dengue and the doctors have asked her to rest for 10 days." BMC health department officers visited Vidya Balan residence at Juhu on Friday. They found Dengue larvae in the terrace of her apartment. They claim to have destroyed the larvae.