Polio: Mutated virus breaches vaccine protection- The polio epidemic in the Congo in 2010 was especially serious. 445 people were verifiably infected, mostly young adults. The disease was fatal for 209 of them. This high mortality rate is surprising. Also important was the fact that many of those affected had apparently been vaccinated: Surveys indicated that half of the patients remembered having received the prescribed three vaccination dosages.

* Robustness against serum neutralization of a polio virus type 1 from a lethal epidemic of poliomyelitis in the Republic of Congo, 2010; PNAS; DOI: 10.1073/pnas.1323502111

– http://healthresearchreport.me/2014/08/21/polio-mutated-virus-breaches-vaccine-protection/

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