• New Polio Vaccine Promising in Early Test

• 3 years ago

• Scientists Spot Signs of Virus Behind Disease Paralyzing Kids

• 4 years ago

• Vulnerable Preemie Babies Often Behind On Vaccines

• 4 years ago

• Freeze-Dried Vaccine May Help Rid World of Polio

• 5 years ago

• CDC Probe Continues as Cases of Polio-Like Illness Rise in Kids

• 5 years ago

• CDC Warns of Polio-Like Virus Striking More U.S. Kids

• 5 years ago

• Are Kids' Vaccines a Victim of Their Own Success?

• 6 years ago

The shots have cut disease rates so low that some parents underestimate the threat, doctors say

• Polio Nearly Vanquished: CDC

• 7 years ago

But small pockets of world still have cases of crippling disease, officials add

• Child Paralysis Cases Spiked During Virus Outbreak: Study

• 8 years ago

But definitive cause of polio-like disease remains unproved, researchers say

• The Salk Polio Vaccine: 'Greatest Public Health Experiment in History'

• 9 years ago

Almost 2 million American kids stuck out their arms for an unheard-of test as Jonas Salk set out to prove his vaccine worked