13 patients, including 2 children, have been hospitalized at the infectious diseases department of the Manevytsi Central District Hospital in Volyn Oblast with a preliminary diagnosis of "gastroenterocolitis." This was reported by the Ministry of Health's press service. \nAccording to preliminary data, the illness occurred after a wedding in the village of Velyka Yablunka (Manevytsi district, Volyn oblast). The sanitary-epidemiological service is carrying out anti-epidemic measures. The causative agent and source of infection are being established. Bacteriological testing for pathogenic flora of environmental objects is being conducted, and samples of food products, water, and swabs have been taken for testing. The situation is under the control of the Ministry of Health. \n