Work out vaccine cold chain volume instantly with clear inputs, formula shown and shareable results.
Multiplies dose numbers by the WHO packed volume per dose for vaccine and diluent to give the cold chain volume a programme needs.
Cold chain volume
Litres = doses x packed volume per dose (cm3) / 1000, summed across vaccine and diluent
Diluent must be cooled before reconstitution but does not require cold storage throughout, which saves cold chain volume.
In the WHO prequalified vaccines list, expressed as cm3 per dose including secondary packaging.