While one year has passed without polio caused by natural poliovirus, we can claim complete eradication only after we ensure the absence of wild and vaccine polioviruses in the population. Today, India passes one whole year without polio caused by natural (wild) poliovirus — a major milestone towards polio eradication. This spells relief from an agonising decade of wild polioviruses refusing to surrender. Many experts believed that India posed the greatest...
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