Manyara- Under the theme of 'The Big Catch-Up', Tanzania, with the technical and financial support of World Health Organization (WHO) and partners launched a 7-day vaccination campaign, with emphasis on integration of COVID 19 Vaccination with routine immunization. The campaign aims at accelerating progress in routine immunization for children while sustaining current momentum for COVID-19 vaccination especially for the elderly, health care workers and people living with comorbidities.