Why is polio so hard to beat? - CNN

CNN

Why is polio so hard to beat? CNN (CNN) For just more than two years, Nigerian health officials have been celebrating a country free of the paralyzing effects of the poliovirus. The achievement is yet another a step toward to eradicating polio for good, with only two countries ... Polio reappears in Nigeria, triggering massive responseScience Magazine New Outbreak Threatens Nigeria's Efforts to Eradicate PolioU.S. News & World Report Health Highlights: Aug. 15, 2016Mason City Globe Gazette Voice of America -Humanosphere -Health24 -IDN InDepthNews | Analysis That Matters all 48 news articles »

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