29 outubro 2014

5 steps closer to a polio-free world

5 steps closer to a polio-free world:

vaccineswork:



The road to polio eradication has been a long one so far, but in 2014, we’re closer than we’ve ever been to getting rid of the disease for good. Here are 5 reasons why:


1. From 125 to just three


In the 1980s the problem of polio seemed almost insurmountable, with 125 endemic countries…



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