World Health Organization Says Two of Three Polio Strains have been Eradicated
takyon writes:
'Milestone' in polio eradication achieved
The second of three forms of the polio virus has been eradicated, experts have announced.
There are three types of the wild polio virus, which, while scientifically different, cause the same symptoms, including paralysis or even death,
The world was declared free of type 2 four years ago - and now the World Health Organization has said type 3 has also been eradicated.
But type 1 is still circulating in Afghanistan and Pakistan.
See also:
Two Strains of Polio Are Gone, but the End of the Disease Is Still Far Off
Related:
'What the hell is going on?' Polio Cases are Vanishing in Pakistan, Yet the Virus Won't go Away
Polio Outbreak in Papua New Guinea
The End Of Guinea Worm Was Just Around the Corner. Not Anymore
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