Polio in Africa: 1988 vs 2012
Afghanistan, Pakistan and Nigeria are the only the three countries where polio is still endemic.
By the end of 2012, the total number of polio cases worldwide dropped 66% over the previous year to just 223. The map above shows the tremendous progress that’s been made in eradicating the disease since 1988
Tim Evans at the World Bank argues that for countries to fully eliminate polio, integrating polio eradication into routine immunization and broader health service delivery will be critical, particularly in communities where the security situation hampers highly visible health campaigns.