In a rare case a 14-year-old boy whose 22 litres of blood was sucked by hookworms in his small intestine since the last two years was cured through a deworming therapy at a city hospital here. The diagnosis was possible only after hospital recommended the rarely-used vitamin capsule-size endoscopy. According to doctors the boy was referred to Sir Ganga Ram Hospital (SRGH) in August last year with complaints of the passage of blood in his stool. 'The child was suffering from iron deficiency anaemia for the last two years. He was being managed with repeated blood transfusions and received 50