Figure 2. Inclusion and exclusion criteria for the studies included in the review (2002 to 2018) (Source: [18,19])

From

Community Involvement in Polio Vaccination Activities in the Polio Eradication Process in Cameroon

Dickson Shey Nsagha, Eunice Kisifen Tatah, Alfred Kongnyu Njamnshi, Martyn Sama

American Journal of Epidemiology and Infectious Disease. 2020, 8(1), 30-36 doi:10.12691/ajeid-8-1-5