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Source: http://news.yahoo.com/man-polio-virus-living-gut-30-years-150956673.html
Man Has Polio Virus Living in Gut for 30 Years
LiveScience.com By Rachael Rettner
10 hours ago
A man in the United Kingdom experienced a very rare complication of the polio vaccine he received in childhood ? he never cleared the virus from his body. As a result, the virus has been circulating in his gut for nearly 30 years, and is still being excreted in his stool today, according to a new report of the case...
...tests showed that the polio viruses in the patient's gut were different from those in the vaccine, meaning that mutations had developed in the virus over time.
The viruses in the patient's gut were able to cause paralysis in a mouse model, suggesting that these strains are very virulent. However, tests with human blood from people who were vaccinated against polio showed that the antibodies in the people's blood were able to kill the viruses from the patient...
Man Has Polio Virus Living in Gut for 30 Years
LiveScience.com By Rachael Rettner
10 hours ago
A man in the United Kingdom experienced a very rare complication of the polio vaccine he received in childhood ? he never cleared the virus from his body. As a result, the virus has been circulating in his gut for nearly 30 years, and is still being excreted in his stool today, according to a new report of the case...
...tests showed that the polio viruses in the patient's gut were different from those in the vaccine, meaning that mutations had developed in the virus over time.
The viruses in the patient's gut were able to cause paralysis in a mouse model, suggesting that these strains are very virulent. However, tests with human blood from people who were vaccinated against polio showed that the antibodies in the people's blood were able to kill the viruses from the patient...