FILE - In this Thursday, Nov. 7, 2013 file photo, displaced Syrian displaced line up to receive vaccinations against polio at one of the Syrian refugee camps in the southern port city of Sidon, Lebanon. Health officials are rushing to vaccinate millions of children from Egypt to Turkey, fearing a polio outbreak in Syria could spread as tens of thousands of refugees flee the civil war. The officials want to reach all children under 5 years old - about 22 million in all. (AP Photo/Mohammed Zaatari, File)TRIPOLI, Lebanon (AP) — Well being officers are dashing to vaccinate millions of kids from Egypt to Turkey, fearing a polio outbreak in Syria may unfold as tens of heaps of refugees flee the civil battle.