The Wild Polio Virus (WPV) has 3 serotypes (1, 2, 3), considered eradicated in many countries, but a few poorly resourced countries still report cases. According to The Guardian […]
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The Wild Polio Virus (WPV) has 3 serotypes (1, 2, 3), considered eradicated in many countries, but a few poorly resourced countries still report cases. According to The Guardian […]