Udaipur, April 26 -- Authorities in Salumber distric have initiated door-to-door health checks at a village after it reported the deaths of two cousins within 18 hours of each other, said people familiar with the matter. Officials said that the deceased - Asha (6) and Rusiya (5) died at their homes in Kunda villlage at around noon on Thursday and early on Friday respectively. Both reportedly developed sudden vomiting fits followed by seizures. District collector Mohammad Junaid PP said that authorities admitted some other sick children at the community health centre in Lasadiya. "Considering the seriousness of the situation, seven medical teams have been formed and a comprehensive survey of the area has been initiated. We have directed teams to submit a detailed report at the earliest," he said. Chief medical and health officer Dr Mahendra Parmar said that the post-mortem examination was complete and samples were sent to Udaipur. "The exact cause of death will be clear only after the report is received," he added. Block chief medical and health officer Dr Sintu Kumawat, who is leading the team on the field, said, "Our team is continuously monitoring the situation, conducting health check-ups, and collecting blood samples from children in the village." In addition, anti-larval activities and fogging have been intensified to prevent mosquito-borne diseases, said officials. The animal husbandry department is also conducting surveys and spraying in villages to rule out any infection among livestock, they added. Authorities have also issued advisories regarding heatwave conditions, urging residents to stay hydrated, wear light clothing, and take precautions against extreme heat. Earlier this month, the similar illness claimed the lives of six toddlers across two villages in the district across five days since April 1. The victims were identified as Deepak Meena (4), Seema (4), Laxman Meena (4), Kajal Meena (2), and Rahul Meena (4)....