The routine infant immunization in the health district of Ouahigouya started in 2002 and the reported Expanded Program on Immunization (EPI) coverage at the end of 2007 was 85.3%.
Since the launch of the program in 2000, GAVI estimates that 5 million premature deaths have been averted by its immunization efforts.
自2000年该计划启动以来，该联盟预计有关免疫的努力已帮助避免了5百万人过早死亡。
3
The study suggested that immunosuppressed HIV-infected children have a low persistence of antibodies to the vaccines of the Expanded Program on Immunization (EPI, WHO).