Health Department Medical MCQs NTS Past Papers Vaccinator What is Drop Outs formula of OPV? August 24, 2023 Admin No Comments A: (OPVI-OPVIII)/OPVI * 100 B: (OPV-OPVII)*100 C: (100*OPVIII)/OPV*100 D: None of these Correct Answer: A View More Details >>
