Health & Fitness

Children in Afghanistan, shown here, were vaccinated against polio earlier this month. WHO will begin a vigorous campaign by giving children polio immunizations in 15 African nations this week.

Diseases and IllnessesHealthPolioAfghanistan
Children in Afghanistan were vaccinated against polio earlier this month. WHO will begin a vigorous campaign by giving children polio immunizations in 15 African nations this week. Jalil Rezayee / EPA
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