More than 100 countries fail to meet key polio vaccination uptake targets and are vulnerable to the paralysis-causing virus, official figures suggest.
Data from the World Health Organization shows 114 of 160 nations have not hit its threshold of 95 per cent coverage in one-year-olds.
UK health chiefs yesterday revealed that the country could be seeing a resurgence of the disease for the first time in decades after strains were detected in sewage.
Experts deem having more than nine in 10…
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