<prompt> Gloves, syringe, needles etc., used for patients whose HIV test results is not known, should be immersed in -Poviodine - iodine 1Boiling water1 solution of sodium hypochlorite10 solution of dettol  <response>: The test materials should be immersed in poviodone iodine to prevent infection. REF:Textbook of microbiology, Ananthanarayan and Paniker. Page no.: 582 