Latest water sample resultstaken last Monday, October 9, in the Queiles River and in water sources in the affected areas the presence of protozoa of the genus ‘Cryptosporidium’ (Tarazona, Novallas, Torrellas and Los Fayos) once again indicates attendance is low, for the second week in a row. All the value is much lower than 0.1 oocysts per liter of water, they have indicated from the Health Department of the Government of Aragon.

At the Environmental Health Presentation meeting, held on 6 October, attended by representatives of the Ministry of Health and autonomous communities, it was decided to adopt the British scientific guidance criteria on this issue. According to This, can be considered that there are no oocysts and therefore, water is drinkablewhen there is a series of results whose average is less than 10 oocysts in 100 liters of watertherefore the average should be less than 0.1 oocysts per liter of water.

An outbreak of gastroenteritis was declared over the weekend of September 9 and 10 in the town of Turiason. The results of laboratory cultures carried out on the feces of sick people showed that the cause of the outbreak was protozoa from the genus ‘Cryptosporidium’. Likewise, on September 21, Public Health expanded restrictions to the cities of Novallas, Torrellas, and Los Fayos. Later, the presence of protozoan oocysts was confirmed in the Soria section of the river, motivating the involvement of the autonomous communities of Castilla y León and Navarra, and the State Administration.