Kidney patients are more vulnerable to Covid-19 infections and management of patients on dialysis must be according to strict protocols to minimise risk, the science and technology ministry said on Friday as it flagged findings of a study published in the ‘Journal Kidney International ’.The study — The Novel Coronavirus 2019 epidemic and the Kidneys — written by an expert group of nephrologists from around the world, pointed out that all family members living with dialysis patients must follow precautions and regulations given to patients to prevent person-to-person transmission of Covid-19.