Banjul, The Gambia, 1st September 2015 - The African Vaccination Week (AVW), which is traditionally observed during the last week of April every year, was officially launched in the Gambia at the Atlantic Hotel in Banjul on Wednesday 28th July 2015. The event, which was a joint effort of the Ministry of Health and Social Welfare, the World Health Organization (WHO), United Nations Children Fund (UNICEF) and other partners, was launched by the Honourable Minister of Health and Social Welfare, Hon. Alhaji Omar Sey. The theme for this year 2015 is, “Closing the immunization Gap”.