http://www.english.hadhramaut.info Polio epidemiological surveillance course started in Mahrah [The Source: /www.sabanews.net - 25/04/2009] A training course on Polio epidemiological surveillance was launched here on Saturday.The two-day course aims to provide 17 cadres from the epidemiological surveillance officers with the necessary skills and information on the epidemiological surveillance, its importance and its activities and indicators in the governorate, as well as ways of reporting such cases.At the opening the course, assistant-undersecretary of the governorate Hussein al-Masadi affirmed the significance of the course for the participants, urging them to avail from the course and apply what they received during the course in the practical ground.The training course was organized by the Public Health and Population office in the governorate in collaboration with the National Center for Epidemiological Surveillance and World Health Organization (WHO).It is worth to mention that Yemen was officially declared to be free of polio virus for the past three years