Table 1.
Vaccine Characteristics for Model Inputs
| Vaccine | Dose(s) per person |
Dose(s) per vial |
Packed vol. per dose (cm3) |
Packed vol. of diluent per dose (cm3) |
Cold Storage Space |
Age of administration |
Route of Administration |
|---|---|---|---|---|---|---|---|
| Bacille Calmette-Guérin (BCG) | 1 | 10 | 1.2 | 0.7 | Refrigerator | Birth | ID |
| Hepatitis B (HB) | 1 | 2 | 13.0 | none | Refrigerator | Birth | IM |
| Diphtheria-Tetanus-Pertussis-Hepatitis B (DTP-HB) | 3 | 10 | 3.0 | none | Refrigerator | 2, 4 AND 6 months | IM |
| Oral polio vaccine (OPV) | 3 | 20 | 1.0 | none | Freezer† | 2, 4 AND 6 months | oral |
| Measles (M) | 1 | 10 | 3.5 | 4.0 | Refrigerator | 9–12 months | SC |
| Measles (M) | 1 | 1 | 9.3 | 20.0 | Refrigerator | 9–12 months | SC |
| Measles-Mumps-Rubella (MMR) | 1 | 1 | 16.0 | 20.0 | Refrigerator | 9–12 months | SC |
| Diphtheria-Tetanus-Pertussis (DTP) | 2 | 10 | 3.0 | none | Refrigerator | 1.5–2 years AND 4–5 years | IM |
| Japanese Encephalitis (JE) | 3 | 5 | 2.5 | 2.9 | Refrigerator | 1.5–2 years (x2) AND 2.5 –3 years | SC |
| Measles-Mumps-Rubella (MMR) | 1 | 10 | 3.0 | 4.0 | Refrigerator | 1st grade | SC |
| Tetanus-Diphtheria (Td) | 3 | 10 | 3.0 | none | Refrigerator | Pregnant women (x2) AND Sixth grade | IM |
Abbreviations: ID (intradermal), IM (intramuscular), SC (subcutaneous).
*
Gray coloring indicates the vaccine characteristics of the single-dose vaccines that replaced the ten-dose measles vaccine of the EPI in our model. All vaccine characteristics were taken from the WHO Immunization Profile - Thailand [9]
†
The OPV vaccine is stored preferentially in the freezer; however, it has the ability to be stored in the refrigerator at administering locations.