400
                                The procedure for treatment of head lice  for patient , clothing, bed linen and carpet is this.
                                 Wear gown, gloves, hair covers.
 Thoroughly shampoo the patient’s scalp for four 
    minutes with Permethrin.
 Rinse and dry, comb hair using a fine tooth comb to
    remove nits (eggs).  
 Wash patient clothing in very hot water. 
 All patient towels and bed linens in hospital laundry.     
 Vacuum carpets.