Ethiopian children watch the immunization volunteers.
By Corinne Cavanaugh
As I walked up to a pile of dirt bricks beside a cottage in a small village in Ethiopia, I noticed two things immediately: the telltale odor of farming and the mouth sores of four small children. I will never forget the moment I saw those children, the first of many who received two life-saving drops of polio vaccine.
Polio is a virus that attacks the nervous system and can cause irreversible paralysis, usually of the legs. In a developing country, polio paralysis could mean crawling around
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