Patna, Sep 15 : After Bhagalpur and Patna, a dengue outbreak has been reported from Bihar's Siwan district with 42 patients infected with the vector-borne disease in one village. The outbreak occurred in Malikan village under Hussainganj block in the district. The official said that 11 patients of dengue were found 10 days ago and now the number has reached 42, including 24 positive cases that appeared in the last 24 hours. "We are monitoring the situation in the village closely and initiating testing immediately to patients having symptoms of fever or weakness. We are recommending them to follow the directives of doctors," said Dr Majoj Kumar, incharge of Common Health Center Hussainganj. The villagers of Malikan village claimed that a person returned from Gorakhpur after treatment of dengue on September 13. He has a shop in Malikan village. After that, a severe outbreak of dengue occurred in the village. Meanwhile, the state Health Department had detected 250 cases of dengue on Thursday. The cases now reached 1,582 including 1307 patients in the last one month. Bhagalpur is the most affected district in Bihar. Patna, Begusarai, Rohtas and other districts also have cases of dengue. /IANS