The Accra Gye Nyame Lions Club, on Wednesday embarked on a measles and rubella vaccination exercise for children between the ages of nine months and fourteen years at Amasaman, in the Ga West district.The vaccination exercise is part of the National Mass Measles Rubella Campaign which is aimed at serving the health needs of communities across the country, particularly on the area of measles and rubella.The National Mass Measles Rubella Campaign is under the theme "One shot, one life”.