FIGURE 1—

Vaccine supply chain network in Niger.

Note. IHC = integrated health center. The capacities (L) listed in parentheses are the ranges of available storage capacity across all locations within level.

Sources. Data to construct the model came from interviews and meetings with in-country officials from the World Health Organization in Geneva, Switzerland, and Niger; UNICEF; the Niger National Geographic Institute; the Niger Ministry of Health; the Niger office of Expanded Program on Immunization; and from field observations.