Prazikwụatel bụ ọgwụ ndị Wọld Helt Ọganaịzeshọn (WHO) nyere ntụziaka ka ewere n'agwọ ndị nwere nje a. 
Prazikwuatel bu ogwu ndi Wold Helt Oganaizeshon (WHO) nyere ntuziaka ka ewere n'agwo ndi nwere nje a. 