Table 1. Vaccine WR and Vaccine WF for Different Liquid Vaccines .
Vaccine (Reference Period) | Doses Consumed a | Actual Doses Received by Children b | Vaccine WR | Vaccine WF | P Value (Using Z Test of Proportion) |
OPV (January-March 2012) | 42 290 | 31 732 | 25.00% | 1.33 | <0.001 |
OPV (January-March 2014) | 56 150 | 48 501 | 13.62% | 1.16 | |
DPT and HBV (January-March 2012) | 91 249 | 74 883 | 17.94% | 1.22 | <0.001 |
DPT, HBV, and pentavalent (January-March 2014) | 51 858 | 47 686 | 08.05% | 1.09 |
Abbreviations: OPV, oral polio vaccine; HBV, hepatitis B virus; WR, wastage rate; WF, wastage factor; DPT, diphtheria, pertusis, and tetanus toxoid vaccine.
aThese were the doses calculated by subtraction of vaccine doses issued before the vaccination session and doses received at the end of vaccination session.
bThese were the doses actually received by the children based on the actual doses administered. These children have individual registration and addresses listed for each entry and are cross verifiable.