Prepared by Dr. Jos‚ Luis Zeballos, PAHO/WHO.
1. Susceptibility of the population
Level of immunity of the population (natural immunity or induced by earlier vaccination)
Age group at highest risk
Is the target population stable or migratory?
Is the disease controllable by vaccination?
2. Accessibility
Is the target population clustered or scattered?
Level of the population's acceptance of vaccination
Routes for reaching the population
Means of transport
3. Availability of vaccine
Quantity available for immediate use
Estimated time for delivery from warehouse to disaster area
Estimated time required to obtain vaccine from outside the country
Implications of procurement delays
Number of complete vaccine doses that can be administered from available supplies
4. Properties of vaccine
Real efficacy in interrupting disease transmission
Dose required for effective protection
Stability or lability of the vaccine
Time interval between doses
5. Available resources
Personnel trained in vaccine administration
Availability of refrigerators, freezers and insulated containers
for vaccine storage and transport
Availability of supplies, syringes and sterile needles
Kind of fuel to be used for sterilization
Ice-making capability
6. Priorities and alternatives
Consideration of priority given to vaccination
Search for alternative ways to prevent or control the disease
Consideration of the operating cost as against other priorities