District health department on Thursday served a show cause notice to Sri Aurobindo Hospital for delaying in the sending samples of swine flu patients. The department has taken against the hospital after receiving samples of 55-year-old patient of Ratlam after her death as she died on April 1 but her samples were sent by the hospital on April 2. Her samples were tested positive on April 3. With this, total number of deaths in city reached to 54, so far. The total number of positive patients in Indore is 187 and the department has sent as many as 790 samples for testing to Bhopal.