Polio, Pakistan, the progress and difficulties with WHO spokesperson, Oliver Rosenbauer

Thanks to vaccinations, cases of wild poliovirus globally have dropped dramatically. In the 1980s the estimated global number of paralytic cases was over 350,000 per year and the disease was still prevalent in 125 countries. Fast forward to 2018 and there was 33 cases in two of the three remaining endemic countries-Pakistan and Afghanistan. How ["]

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