What is the standard dose of PPD for Mantoux test -: (A) 5TU, (B) 10TU, (C) 15TU, (D) 20TU
Answer is A. <p> A standard 5 tuberculin unit(5 TU) of PPD-S is used in Mantoux test. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:185. <\p>