Dealing with three types of poliovirus Poliovirus serotype 1, 2 and 3 via the oral route. The bacteria grow and multiply in the intestinal mucosa, throat, lymph node, intestine and enter the bloodstream. Most people infected show no symptoms. There are only about 1-2% of the infected nerve and ordered the destruction of neurons. Causes paralysis of the muscles around it. The spread of this disease through the digestive tract and in the feces.
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