hyderabad while officials are still trying to figure out the reason for last weeks gastroenteritis outbreak in vaddera basti in madhapur four more people all aged over 70 have been found to have had severe kidney injury and moved to a corporate hospital from gandhi hospital where they were undergoing dialysis the four patients were stable but the condition of another patient who was already under dialysis at the corporate hospital continues to be critical twentyseven others under treatment at the area hospital in kondapur are stable officials said one person has so far died after about 70 people had initially fallen ill following the outbreak on april 7the four elderly patients had comorbidities but the gastroenteritis infection would have made it worse said dr varada chary superintendent of area hospital kondapur adding that the outbreak could be due to contaminated outside food hmwssb authorities have maintained that the same drinking water was supplied to over 5000 households and has been found to be safewith tests on water samples from the area by water board as well as the institute of preventive medicine ipm ruling out drinking water contamination authorities suspect that toddy could be a likely reason as its consumption is rampant in the area also food and water from roadside vendors including ice creams and soda are on the radar of health officials for being possible sources of the outbreakthe test results have shown that there is no drinking water contamination so it has to be related to outside food or water based on information from sources we suspect it could be due to toddy the outbreak is under control now and we have not seen any new cases of diarrhoea in the last 24 hours most others are recovering well the five patients who developed severe kidney injury due to dehydration were having other comorbidities too said dr s lakshmi district medical health officer ranga reddy