Indicator | Formulae |
---|---|
Vaccination coverage rate | \(\frac{Number\ of\ children\ vaccinated}{Number\ of\ eligible\ children}\times 100\) |
Number of doses used | Doses received + Doses in stock − usable doses remaining |
Number of doses wasted | Doses used − Children vaccinated |
Vaccine usage rate | \(\frac{Children\ vaccinated}{Doses\ used}\times 100\) |
Vaccine Wastage Rate (VWR) | \(100- Vaccine\ usage\ rate=\frac{Doses\ wasted}{Doses\ used}\times 100\) |
Vaccine Wastage Factor (VWF) | \(\frac{100}{100- Vaccine\ wastage\ rate}=\frac{100}{Vaccine\ usage\ rate}\) |