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Tag archive for ‘Brazil polio’
By Robert On Monday, June 23rd, 2014
2 Comments

Brazil: Wild poliovirus type 1 detected in Sao Paulo sewage samples

The detection of wild poliovirus type 1 (WPV-1) in sewage samples in Brazil has prompted the Pan American Health Organization (PAHO) / World Health Organization (WHO) to recommend that Member States maintain both More...


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