The regional laboratory in Riyadh, participant in the Program of External Quality Control to test standard samples received from World Health Organization (WHO) by the Department of Laboratory polio to examine polio, measles and rubella virus for the year 2015/2016, has won the final score of 100% in the standard samples evaluation. The polio laboratory of Riyadh regional laboratory is accredited to the World Health Organization to examine measles, rubella and mumps viruses. -- SPA 12:36 LOCAL TIME 09:36 GMT تغريد