Africa: Why Do People Still Get Polio in Some Countries and Not in Others?
Why are people still getting polio in some countries and in not others? – Mia, age 9, Centennial, Colorado On a busy street in Karachi, Pakistan, a healthcare worker kneels down so she’s eye to eye with a toddler. She squeezes two drops of liquid onto the child’s tongue. Then she takes out a purple…
