<prompt> For hookworm to be a major public health problerr chandlers index should be more than:100200250300  <response>: Ans. d 300Ref: K. Park 23rd ed. 243-44 CHANDLERS INDEX is also known as Endemic index. It is defined as average number of hookworm eggs per gram of stool for the entire community. 300 eggs per gram of stool denotes important public health problem.Interpretation of chandlers index:Average No. of eggsgm of stoolInterpretation 200No significance 200-250Potential danger 250-300Minor public health problem 300Major public health problem 