<span style="color: #222222;">Kerala Health Minister Veena George has said so far 257 persons have been identified to have come into contact with the boy, who died due to Nipah virus infection in Kozhikode on Sunday.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">Briefing media persons in Kozhikode this evening, the minister said 17 persons have developed mild symptoms, but their condition is stable.</span><br />'' <br />'' <span style="color: #222222;">Among those identified, 44 are health care workers. 51 persons have been admitted to the Kozhikode Medical College Hospital.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">The institutional route map with minute details containing the deceased boy's treatment protocol has been prepared.</span><br />'' <br />'' <span style="color: #222222;">House to house survey, which began today was completed in 3307 households in the region. The survey will be expanded to cover more households.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">She said people tested negative will still remain in isolation, till the incubation period of the virus is over.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">A Nipah Management Software has been prepared whereby volunteers will be able to file data from the field itself.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">The minister appealed to the public to inform health workers if they come across carcasses of bats and avoid coming into contact with them.</span><br />