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Source: http://www.rappler.com/science-natur...o-mutant-virus
Deadly 2010 polio outbreak in Congo linked to mutant virus
Researchers found that in 29% of cases studied, people who had been vaccinated against polio in the past did not produce the necessary antibodies to fight off infection
Agence France-Presse
Published 8:05 AM, Aug 19, 2014
Updated 8:05 AM, Aug 19, 2014
WASHINGTON DC, USA ? An unusually deadly outbreak of polio in 2010 in the Democratic Republic of Congo was linked Monday, August 18, to a mutated form of the virus which common vaccines may not prevent.
The outbreak of polio infected 445 people and killed 47% of them, a rate much higher than a 6% death rate seen during an outbreak in Tajikistan the same year.
Researchers found that in 29% of cases studied, people who had been vaccinated against polio in the past did not produce the necessary antibodies to fight off infection.
The risk of such polio outbreaks in the future "is very hard to project," said the study in the Proceedings of the National Academy of Sciences, a peer-reviewed US journal...
Deadly 2010 polio outbreak in Congo linked to mutant virus
Researchers found that in 29% of cases studied, people who had been vaccinated against polio in the past did not produce the necessary antibodies to fight off infection
Agence France-Presse
Published 8:05 AM, Aug 19, 2014
Updated 8:05 AM, Aug 19, 2014
WASHINGTON DC, USA ? An unusually deadly outbreak of polio in 2010 in the Democratic Republic of Congo was linked Monday, August 18, to a mutated form of the virus which common vaccines may not prevent.
The outbreak of polio infected 445 people and killed 47% of them, a rate much higher than a 6% death rate seen during an outbreak in Tajikistan the same year.
Researchers found that in 29% of cases studied, people who had been vaccinated against polio in the past did not produce the necessary antibodies to fight off infection.
The risk of such polio outbreaks in the future "is very hard to project," said the study in the Proceedings of the National Academy of Sciences, a peer-reviewed US journal...