Table 1. Numbers of persons who took part in interviews or meetings by country and type of position.
| Type of Position | India | Sri Lanka | Thailand | Vietnam | Brazil | Colombia | Mexico | Nicaragua | Total |
| Senior government policymakers, program managers, department heads and other officials in health ministries and other health agencies | 10 | 12 | 6 | 10 | 4 | 6 | 6 | 7 | 61 |
| Hospital directors and other representatives | 2 | 2 | 5 | 5 | 1 | – | 1 | 5 | 21 |
| Scientists from research institutes and academia | 2 | 1 | 1 | 2 | 7 | 2 | 2 | 1 | 18 |
| Officers from professional associationsa | 2 | – | – | – | 1 | 3 | 2c | 3 | 10 |
| Local-level health policymakers and other officials (state, provincial, municipality) | 1 | 4 | – | – | 1 | – | 3 | 4 | 13 |
| Representatives from local vaccine producers and multi-national pharmaceutical companiesb | 8 | – | – | 1 | 6 | 2 | 1 | – | 18 |
| International agency officials (WHO, PAHO, UNICEF) | 7 | – | 1 | 3 | – | 1 | – | 1 | 13 |
| National regulatory agency/laboratory officials | – | – | 1 | – | 1 | – | – | 1 | 3 |
| Other | – | – | – | – | – | – | 1 | – | 1 |
| Total number of informants | 32 | 19 | 14 | 21 | 21 | 14 | 15 | 22 | 158 |
a
Includes Presidents, General Secretaries and other top officials from national medical, pediatric, infectious disease and public health associations.
b
All were from local vaccine producers, except in Colombia, where representatives from Sanofi Pasteur were interviewed.
c
One of the professional society officials in Mexico was counted in another category and thus not included in the total.